global: Rename SPL_ to XPL_

Use XPL_ as the symbol to indicate an SPL build. This means that SPL_ is
no-longer set.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index 084fd39..e0045e2 100644
--- a/arch/arm/config.mk
+++ b/arch/arm/config.mk
@@ -40,7 +40,7 @@
 endif
 
 # Choose between ARM/Thumb instruction sets
-ifeq ($(CONFIG_$(SPL_)SYS_THUMB_BUILD),y)
+ifeq ($(CONFIG_$(XPL_)SYS_THUMB_BUILD),y)
 AFLAGS_IMPLICIT_IT	:= $(call as-option,-Wa$(comma)-mimplicit-it=always)
 PF_CPPFLAGS_ARM		:= $(AFLAGS_IMPLICIT_IT) \
 			$(call cc-option, -mthumb -mthumb-interwork,\
@@ -53,7 +53,7 @@
 endif
 
 # Only test once
-ifeq ($(CONFIG_$(SPL_)SYS_THUMB_BUILD),y)
+ifeq ($(CONFIG_$(XPL_)SYS_THUMB_BUILD),y)
 archprepare: checkthumb checkgcc6
 
 checkthumb:
@@ -116,7 +116,7 @@
 #
 # http://sourceware.org/bugzilla/show_bug.cgi?id=12532
 #
-ifeq ($(CONFIG_$(SPL_)SYS_THUMB_BUILD),y)
+ifeq ($(CONFIG_$(XPL_)SYS_THUMB_BUILD),y)
 ifeq ($(GAS_BUG_12532),)
 export GAS_BUG_12532:=$(shell if [ $(call binutils-version) -lt 0222 ] ; \
 	then echo y; else echo n; fi)
diff --git a/arch/arm/cpu/arm920t/Makefile b/arch/arm/cpu/arm920t/Makefile
index 5ac3740..06456fe 100644
--- a/arch/arm/cpu/arm920t/Makefile
+++ b/arch/arm/cpu/arm920t/Makefile
@@ -9,6 +9,6 @@
 
 # some files can only build in ARM mode
 
-ifdef CONFIG_$(SPL_)SYS_THUMB_BUILD
+ifdef CONFIG_$(XPL_)SYS_THUMB_BUILD
 CFLAGS_cpu.o := -marm
 endif
diff --git a/arch/arm/cpu/arm926ejs/Makefile b/arch/arm/cpu/arm926ejs/Makefile
index 7551388..750cb94 100644
--- a/arch/arm/cpu/arm926ejs/Makefile
+++ b/arch/arm/cpu/arm926ejs/Makefile
@@ -17,7 +17,7 @@
 
 # some files can only build in ARM or THUMB2, not THUMB1
 
-ifdef CONFIG_$(SPL_)SYS_THUMB_BUILD
+ifdef CONFIG_$(XPL_)SYS_THUMB_BUILD
 ifndef CONFIG_HAS_THUMB2
 
 CFLAGS_cpu.o := -marm
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
index 0e7d769..6461f5f 100644
--- a/arch/arm/cpu/armv7/Makefile
+++ b/arch/arm/cpu/armv7/Makefile
@@ -17,7 +17,7 @@
 obj-$(CONFIG_ARMV7_NONSEC) += exception_level.o
 endif
 
-ifneq ($(CONFIG_$(SPL_)SKIP_LOWLEVEL_INIT),y)
+ifneq ($(CONFIG_$(XPL_)SKIP_LOWLEVEL_INIT),y)
 obj-y	+= lowlevel_init.o
 endif
 
diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile
index 722ec89..c5f568e 100644
--- a/arch/arm/cpu/armv8/Makefile
+++ b/arch/arm/cpu/armv8/Makefile
@@ -9,7 +9,7 @@
 ifndef CONFIG_$(SPL_TPL_)TIMER
 obj-$(CONFIG_SYS_ARCH_TIMER) += generic_timer.o
 endif
-ifndef CONFIG_$(SPL_)SYS_DCACHE_OFF
+ifndef CONFIG_$(XPL_)SYS_DCACHE_OFF
 obj-y	+= cache_v8.o
 obj-y	+= cache.o
 endif
@@ -32,7 +32,7 @@
 else
 obj-$(CONFIG_ARCH_SUNXI) += fel_utils.o
 endif
-obj-$(CONFIG_$(SPL_)ARMV8_SEC_FIRMWARE_SUPPORT) += sec_firmware.o sec_firmware_asm.o
+obj-$(CONFIG_$(XPL_)ARMV8_SEC_FIRMWARE_SUPPORT) += sec_firmware.o sec_firmware_asm.o
 
 ifdef CONFIG_XPL_BUILD
 obj-$(CONFIG_SPL_RECOVER_DATA_SECTION) += spl_data.o
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index e343e81..b73a039 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -94,7 +94,7 @@
 
 # some files can only build in ARM or THUMB2, not THUMB1
 
-ifdef CONFIG_$(SPL_)SYS_THUMB_BUILD
+ifdef CONFIG_$(XPL_)SYS_THUMB_BUILD
 asflags-$(CONFIG_HAS_THUMB2) += -DCONFIG_THUMB2_KERNEL
 ifndef CONFIG_HAS_THUMB2
 
diff --git a/arch/arm/mach-at91/arm926ejs/Makefile b/arch/arm/mach-at91/arm926ejs/Makefile
index a891686..1695708 100644
--- a/arch/arm/mach-at91/arm926ejs/Makefile
+++ b/arch/arm/mach-at91/arm926ejs/Makefile
@@ -32,7 +32,7 @@
 endif
 endif
 
-ifdef CONFIG_$(SPL_)SYS_THUMB_BUILD
+ifdef CONFIG_$(XPL_)SYS_THUMB_BUILD
 ifndef CONFIG_HAS_THUMB2
 
 CFLAGS_cache.o := -marm
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index af62a39..21d955b 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -60,7 +60,7 @@
 ifneq ($(CONFIG_XPL_BUILD),y)
 obj-$(CONFIG_IMX_BOOTAUX) += imx_bootaux.o
 endif
-obj-$(CONFIG_$(SPL_)SATA) += sata.o
+obj-$(CONFIG_$(XPL_)SATA) += sata.o
 obj-$(CONFIG_IMX_HAB)    += hab.o
 obj-$(CONFIG_SYSCOUNTER_TIMER) += syscounter.o
 endif
diff --git a/arch/arm/mach-omap2/am33xx/Makefile b/arch/arm/mach-omap2/am33xx/Makefile
index 3f1af7f..6f3587f 100644
--- a/arch/arm/mach-omap2/am33xx/Makefile
+++ b/arch/arm/mach-omap2/am33xx/Makefile
@@ -11,7 +11,7 @@
 
 obj-y	+= sys_info.o
 obj-y	+= ddr.o
-ifeq ($(CONFIG_$(SPL_)SKIP_LOWLEVEL_INIT),)
+ifeq ($(CONFIG_$(XPL_)SKIP_LOWLEVEL_INIT),)
 obj-y	+= emif4.o
 endif
 obj-y	+= board.o
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index a8b87f6..3c381de 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -11,13 +11,13 @@
 obj-y	+= dram.o
 obj-y	+= timer.o
 
-ifndef CONFIG_$(SPL_)SKIP_LOWLEVEL_INIT
+ifndef CONFIG_$(XPL_)SKIP_LOWLEVEL_INIT
 obj-y	+= lowlevel_init.o
 endif
 
 # some files can only build in ARM or THUMB2, not THUMB1
 
-ifdef CONFIG_$(SPL_)SYS_THUMB_BUILD
+ifdef CONFIG_$(XPL_)SYS_THUMB_BUILD
 ifndef CONFIG_HAS_THUMB2
 
 CFLAGS_cpu.o := -marm
diff --git a/arch/arm/mach-stm32mp/stm32mp1/Makefile b/arch/arm/mach-stm32mp/stm32mp1/Makefile
index 5ae1a53..db160c2 100644
--- a/arch/arm/mach-stm32mp/stm32mp1/Makefile
+++ b/arch/arm/mach-stm32mp/stm32mp1/Makefile
@@ -15,5 +15,5 @@
 obj-$(CONFIG_ARMV7_PSCI) += psci.o
 endif
 
-obj-$(CONFIG_$(SPL_)STM32MP15_PWR) += pwr_regulator.o
+obj-$(CONFIG_$(XPL_)STM32MP15_PWR) += pwr_regulator.o
 obj-$(CONFIG_OF_SYSTEM_SETUP) += fdt.o
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index a87e6a6..ebac347 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -16,7 +16,7 @@
 obj-y += board.o board2.o
 obj-y += cache.o
 obj-$(CONFIG_TEGRA_CLKRST) += clock.o
-obj-$(CONFIG_$(SPL_)TEGRA_CRYPTO) += crypto.o
+obj-$(CONFIG_$(XPL_)TEGRA_CRYPTO) += crypto.o
 obj-$(CONFIG_TEGRA_PMC) += powergate.o
 obj-y += xusb-padctl-dummy.o
 
diff --git a/arch/arm/mach-tegra/tegra20/Makefile b/arch/arm/mach-tegra/tegra20/Makefile
index 2774c86..32c1866 100644
--- a/arch/arm/mach-tegra/tegra20/Makefile
+++ b/arch/arm/mach-tegra/tegra20/Makefile
@@ -3,7 +3,7 @@
 # (C) Copyright 2010,2011 Nvidia Corporation.
 
 obj-$(CONFIG_XPL_BUILD) += cpu.o
-obj-$(CONFIG_$(SPL_)CMD_EBTUPDATE) += bct.o
+obj-$(CONFIG_$(XPL_)CMD_EBTUPDATE) += bct.o
 
 # The AVP is ARMv4T architecture so we must use special compiler
 # flags for any startup files it might use.
diff --git a/arch/arm/mach-tegra/tegra30/Makefile b/arch/arm/mach-tegra/tegra30/Makefile
index 5edc7c9..b36657a 100644
--- a/arch/arm/mach-tegra/tegra30/Makefile
+++ b/arch/arm/mach-tegra/tegra30/Makefile
@@ -3,6 +3,6 @@
 # Copyright (c) 2010-2012, NVIDIA CORPORATION.  All rights reserved.
 
 obj-$(CONFIG_XPL_BUILD) += cpu.o
-obj-$(CONFIG_$(SPL_)CMD_EBTUPDATE) += bct.o
+obj-$(CONFIG_$(XPL_)CMD_EBTUPDATE) += bct.o
 
 obj-y	+= clock.o
diff --git a/arch/arm/mach-zynqmp/Makefile b/arch/arm/mach-zynqmp/Makefile
index 7c95f32..ff42604 100644
--- a/arch/arm/mach-zynqmp/Makefile
+++ b/arch/arm/mach-zynqmp/Makefile
@@ -7,7 +7,7 @@
 obj-$(CONFIG_MP)	+= mp.o
 obj-$(CONFIG_XPL_BUILD) += spl.o handoff.o psu_spl_init.o
 obj-$(CONFIG_SPL_ZYNQMP_DRAM_ECC_INIT) += ecc_spl_init.o
-obj-$(CONFIG_$(SPL_)ZYNQMP_PSU_INIT_ENABLED)	+= psu_spl_init.o
+obj-$(CONFIG_$(XPL_)ZYNQMP_PSU_INIT_ENABLED)	+= psu_spl_init.o
 
 ifndef CONFIG_XPL_BUILD
 obj-$(CONFIG_CMD_ZYNQMP) += zynqmp.o