arch: Use CONFIG_XPL_BUILD instead of CONFIG_SPL_BUILD

Use the new symbol to refer to any 'SPL' build, including TPL and VPL

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-imx/imx9/Makefile b/arch/arm/mach-imx/imx9/Makefile
index e1b09ab..45a9105 100644
--- a/arch/arm/mach-imx/imx9/Makefile
+++ b/arch/arm/mach-imx/imx9/Makefile
@@ -5,6 +5,6 @@
 obj-y += lowlevel_init.o
 obj-y += soc.o clock.o clock_root.o trdc.o
 
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 obj-y += imx_bootaux.o
 #endif
diff --git a/arch/arm/mach-imx/imx9/clock.c b/arch/arm/mach-imx/imx9/clock.c
index 12685f9..dda57ed 100644
--- a/arch/arm/mach-imx/imx9/clock.c
+++ b/arch/arm/mach-imx/imx9/clock.c
@@ -640,7 +640,7 @@
 	}
 }
 
-#ifdef CONFIG_SPL_BUILD
+#ifdef CONFIG_XPL_BUILD
 void dram_pll_init(ulong pll_val)
 {
 	configure_fracpll(DRAM_PLL_CLK, pll_val);
@@ -950,7 +950,7 @@
 /*
  * Dump some clockes.
  */
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 int do_showclocks(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
 {
 	u32 freq;
diff --git a/arch/arm/mach-imx/imx9/lowlevel_init.S b/arch/arm/mach-imx/imx9/lowlevel_init.S
index 1dc1dbf..97d8591 100644
--- a/arch/arm/mach-imx/imx9/lowlevel_init.S
+++ b/arch/arm/mach-imx/imx9/lowlevel_init.S
@@ -16,7 +16,7 @@
 
 .global save_boot_params
 save_boot_params:
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 	/* The firmware provided ATAG/FDT address can be found in r2/x0 */
 	adr	x0, rom_pointer
 	stp	x1, x2, [x0], #16
diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c
index 04b2120..7c28fa3 100644
--- a/arch/arm/mach-imx/imx9/soc.c
+++ b/arch/arm/mach-imx/imx9/soc.c
@@ -383,7 +383,7 @@
 		return ret;
 
 	/* rom_pointer[1] contains the size of TEE occupies */
-	if (!IS_ENABLED(CONFIG_SPL_BUILD) && rom_pointer[1])
+	if (!IS_ENABLED(CONFIG_XPL_BUILD) && rom_pointer[1])
 		gd->ram_size = sdram_size - rom_pointer[1];
 	else
 		gd->ram_size = sdram_size;
@@ -412,7 +412,7 @@
 	}
 
 	gd->bd->bi_dram[bank].start = PHYS_SDRAM;
-	if (!IS_ENABLED(CONFIG_SPL_BUILD) && rom_pointer[1]) {
+	if (!IS_ENABLED(CONFIG_XPL_BUILD) && rom_pointer[1]) {
 		phys_addr_t optee_start = (phys_addr_t)rom_pointer[0];
 		phys_size_t optee_size = (size_t)rom_pointer[1];
 
@@ -457,7 +457,7 @@
 		else
 			sdram_b1_size = sdram_size;
 
-		if (!IS_ENABLED(CONFIG_SPL_BUILD) && rom_pointer[1]) {
+		if (!IS_ENABLED(CONFIG_XPL_BUILD) && rom_pointer[1]) {
 			/* We will relocate u-boot to top of dram1. TEE position has two cases:
 			 * 1. At the top of dram1,  Then return the size removed optee size.
 			 * 2. In the middle of dram1, return the size of dram1.
@@ -629,7 +629,7 @@
 }
 
 #ifdef CONFIG_OF_BOARD_FIXUP
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 int board_fix_fdt(void *fdt)
 {
 	/* Update dtb clocks for low drive mode */
@@ -701,7 +701,7 @@
 
 int arch_cpu_init(void)
 {
-	if (IS_ENABLED(CONFIG_SPL_BUILD)) {
+	if (IS_ENABLED(CONFIG_XPL_BUILD)) {
 		/* Disable wdog */
 		init_wdog();
 
@@ -745,7 +745,7 @@
 
 int timer_init(void)
 {
-#ifdef CONFIG_SPL_BUILD
+#ifdef CONFIG_XPL_BUILD
 	struct sctr_regs *sctr = (struct sctr_regs *)SYSCNT_CTRL_BASE_ADDR;
 	unsigned long freq = readl(&sctr->cntfid0);