global: Rename SPL_TPL_ to PHASE_

Use PHASE_ as the symbol to select a particular XPL build. This means
that SPL_TPL_ is no-longer set.

Update the comment in bootstage to refer to this symbol, instead of
SPL_

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/Makefile b/common/Makefile
index ae89846..2ee5ef9 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -44,8 +44,8 @@
 
 endif # !CONFIG_XPL_BUILD
 
-obj-$(CONFIG_$(SPL_TPL_)BOOTSTAGE) += bootstage.o
-obj-$(CONFIG_$(SPL_TPL_)BLOBLIST) += bloblist.o
+obj-$(CONFIG_$(PHASE_)BOOTSTAGE) += bootstage.o
+obj-$(CONFIG_$(PHASE_)BLOBLIST) += bloblist.o
 
 ifdef CONFIG_XPL_BUILD
 ifdef CONFIG_SPL_DFU
@@ -65,16 +65,16 @@
 obj-$(CONFIG_SPD_EEPROM) += ddr_spd.o
 obj-$(CONFIG_HWCONFIG) += hwconfig.o
 obj-$(CONFIG_BOUNCE_BUFFER) += bouncebuf.o
-obj-$(CONFIG_$(SPL_TPL_)SERIAL) += console.o
+obj-$(CONFIG_$(PHASE_)SERIAL) += console.o
 
 obj-$(CONFIG_CROS_EC) += cros_ec.o
 obj-y += dlmalloc.o
-obj-$(CONFIG_$(SPL_TPL_)SYS_MALLOC_F) += malloc_simple.o
+obj-$(CONFIG_$(PHASE_)SYS_MALLOC_F) += malloc_simple.o
 
-obj-$(CONFIG_$(SPL_TPL_)CYCLIC) += cyclic.o
-obj-$(CONFIG_$(SPL_TPL_)EVENT) += event.o
+obj-$(CONFIG_$(PHASE_)CYCLIC) += cyclic.o
+obj-$(CONFIG_$(PHASE_)EVENT) += event.o
 
-obj-$(CONFIG_$(SPL_TPL_)HASH) += hash.o
+obj-$(CONFIG_$(PHASE_)HASH) += hash.o
 obj-$(CONFIG_IO_TRACE) += iotrace.o
 obj-y += memsize.o
 obj-y += stdio.o
@@ -88,15 +88,15 @@
 obj-$(CONFIG_STM32MP1_DDR_INTERACTIVE) += cli_getch.o cli_simple.o cli_readline.o
 obj-$(CONFIG_DFU_OVER_USB) += dfu.o
 obj-y += command.o
-obj-$(CONFIG_$(SPL_TPL_)LOG) += log.o
-obj-$(CONFIG_$(SPL_TPL_)LOG_CONSOLE) += log_console.o
-obj-$(CONFIG_$(SPL_TPL_)LOG_SYSLOG) += log_syslog.o
+obj-$(CONFIG_$(PHASE_)LOG) += log.o
+obj-$(CONFIG_$(PHASE_)LOG_CONSOLE) += log_console.o
+obj-$(CONFIG_$(PHASE_)LOG_SYSLOG) += log_syslog.o
 obj-y += s_record.o
 obj-$(CONFIG_CMD_LOADB) += xyzModem.o
-obj-$(CONFIG_$(SPL_TPL_)YMODEM_SUPPORT) += xyzModem.o
+obj-$(CONFIG_$(PHASE_)YMODEM_SUPPORT) += xyzModem.o
 
-obj-$(CONFIG_$(SPL_TPL_)AVB_VERIFY) += avb_verify.o
-obj-$(CONFIG_$(SPL_TPL_)STACKPROTECTOR) += stackprot.o
+obj-$(CONFIG_$(PHASE_)AVB_VERIFY) += avb_verify.o
+obj-$(CONFIG_$(PHASE_)STACKPROTECTOR) += stackprot.o
 obj-$(CONFIG_SCP03) += scp03.o
 
 obj-$(CONFIG_QFW) += qfw.o
diff --git a/common/bootstage.c b/common/bootstage.c
index dca3314..dd6aed7 100644
--- a/common/bootstage.c
+++ b/common/bootstage.c
@@ -351,7 +351,7 @@
 	}
 	if (data->rec_count > RECORD_COUNT)
 		printf("Overflowed internal boot id table by %d entries\n"
-		       "Please increase CONFIG_(SPL_TPL_)BOOTSTAGE_RECORD_COUNT\n",
+		       "Please increase CONFIG_(PHASE_)BOOTSTAGE_RECORD_COUNT\n",
 		       data->rec_count - RECORD_COUNT);
 
 	puts("\nAccumulated time:\n");
@@ -473,7 +473,7 @@
 
 	if (data->rec_count + hdr->count > RECORD_COUNT) {
 		debug("%s: Bootstage has %d records, we have space for %d\n"
-			"Please increase CONFIG_(SPL_)BOOTSTAGE_RECORD_COUNT\n",
+			"Please increase CONFIG_(PHASE_)BOOTSTAGE_RECORD_COUNT\n",
 		      __func__, hdr->count, RECORD_COUNT - data->rec_count);
 		return -ENOSPC;
 	}
diff --git a/common/init/Makefile b/common/init/Makefile
index 853b56d..224e092 100644
--- a/common/init/Makefile
+++ b/common/init/Makefile
@@ -5,4 +5,4 @@
 #
 
 obj-y += board_init.o
-obj-$(CONFIG_$(SPL_TPL_)HANDOFF) += handoff.o
+obj-$(CONFIG_$(PHASE_)HANDOFF) += handoff.o
diff --git a/common/spl/Makefile b/common/spl/Makefile
index 10528b3..75123eb 100644
--- a/common/spl/Makefile
+++ b/common/spl/Makefile
@@ -7,35 +7,35 @@
 #
 
 ifdef CONFIG_XPL_BUILD
-obj-$(CONFIG_$(SPL_TPL_)FRAMEWORK) += spl.o
-obj-$(CONFIG_$(SPL_TPL_)BOOTROM_SUPPORT) += spl_bootrom.o
-obj-$(CONFIG_$(SPL_TPL_)LOAD_FIT) += spl_fit.o
-obj-$(CONFIG_$(SPL_TPL_)BLK_FS) += spl_blk_fs.o
-obj-$(CONFIG_$(SPL_TPL_)LEGACY_IMAGE_FORMAT) += spl_legacy.o
-obj-$(CONFIG_$(SPL_TPL_)NOR_SUPPORT) += spl_nor.o
-obj-$(CONFIG_$(SPL_TPL_)XIP_SUPPORT) += spl_xip.o
-obj-$(CONFIG_$(SPL_TPL_)YMODEM_SUPPORT) += spl_ymodem.o
+obj-$(CONFIG_$(PHASE_)FRAMEWORK) += spl.o
+obj-$(CONFIG_$(PHASE_)BOOTROM_SUPPORT) += spl_bootrom.o
+obj-$(CONFIG_$(PHASE_)LOAD_FIT) += spl_fit.o
+obj-$(CONFIG_$(PHASE_)BLK_FS) += spl_blk_fs.o
+obj-$(CONFIG_$(PHASE_)LEGACY_IMAGE_FORMAT) += spl_legacy.o
+obj-$(CONFIG_$(PHASE_)NOR_SUPPORT) += spl_nor.o
+obj-$(CONFIG_$(PHASE_)XIP_SUPPORT) += spl_xip.o
+obj-$(CONFIG_$(PHASE_)YMODEM_SUPPORT) += spl_ymodem.o
 ifndef CONFIG_SPL_UBI
-obj-$(CONFIG_$(SPL_TPL_)NAND_SUPPORT) += spl_nand.o
-obj-$(CONFIG_$(SPL_TPL_)ONENAND_SUPPORT) += spl_onenand.o
+obj-$(CONFIG_$(PHASE_)NAND_SUPPORT) += spl_nand.o
+obj-$(CONFIG_$(PHASE_)ONENAND_SUPPORT) += spl_onenand.o
 endif
-obj-$(CONFIG_$(SPL_TPL_)UBI) += spl_ubi.o
-obj-$(CONFIG_$(SPL_TPL_)NET) += spl_net.o
-obj-$(CONFIG_$(SPL_TPL_)MMC) += spl_mmc.o
-obj-$(CONFIG_$(SPL_TPL_)ATF) += spl_atf.o
-obj-$(CONFIG_$(SPL_TPL_)OPTEE_IMAGE) += spl_optee.o
-obj-$(CONFIG_$(SPL_TPL_)OPENSBI) += spl_opensbi.o
-obj-$(CONFIG_$(SPL_TPL_)USB_STORAGE) += spl_usb.o
-obj-$(CONFIG_$(SPL_TPL_)FS_FAT) += spl_fat.o
-obj-$(CONFIG_$(SPL_TPL_)FS_EXT4) += spl_ext.o
-obj-$(CONFIG_$(SPL_TPL_)LOAD_IMX_CONTAINER) += spl_imx_container.o
-obj-$(CONFIG_$(SPL_TPL_)SATA) += spl_sata.o
-obj-$(CONFIG_$(SPL_TPL_)NVME) += spl_nvme.o
-obj-$(CONFIG_$(SPL_TPL_)SEMIHOSTING) += spl_semihosting.o
-obj-$(CONFIG_$(SPL_TPL_)DFU) += spl_dfu.o
-obj-$(CONFIG_$(SPL_TPL_)SPI_LOAD) += spl_spi.o
-obj-$(CONFIG_$(SPL_TPL_)RAM_SUPPORT) += spl_ram.o
-obj-$(CONFIG_$(SPL_TPL_)USB_SDP_SUPPORT) += spl_sdp.o
+obj-$(CONFIG_$(PHASE_)UBI) += spl_ubi.o
+obj-$(CONFIG_$(PHASE_)NET) += spl_net.o
+obj-$(CONFIG_$(PHASE_)MMC) += spl_mmc.o
+obj-$(CONFIG_$(PHASE_)ATF) += spl_atf.o
+obj-$(CONFIG_$(PHASE_)OPTEE_IMAGE) += spl_optee.o
+obj-$(CONFIG_$(PHASE_)OPENSBI) += spl_opensbi.o
+obj-$(CONFIG_$(PHASE_)USB_STORAGE) += spl_usb.o
+obj-$(CONFIG_$(PHASE_)FS_FAT) += spl_fat.o
+obj-$(CONFIG_$(PHASE_)FS_EXT4) += spl_ext.o
+obj-$(CONFIG_$(PHASE_)LOAD_IMX_CONTAINER) += spl_imx_container.o
+obj-$(CONFIG_$(PHASE_)SATA) += spl_sata.o
+obj-$(CONFIG_$(PHASE_)NVME) += spl_nvme.o
+obj-$(CONFIG_$(PHASE_)SEMIHOSTING) += spl_semihosting.o
+obj-$(CONFIG_$(PHASE_)DFU) += spl_dfu.o
+obj-$(CONFIG_$(PHASE_)SPI_LOAD) += spl_spi.o
+obj-$(CONFIG_$(PHASE_)RAM_SUPPORT) += spl_ram.o
+obj-$(CONFIG_$(PHASE_)USB_SDP_SUPPORT) += spl_sdp.o
 endif
 
-obj-$(CONFIG_$(SPL_TPL_)UPL) += spl_upl.o
+obj-$(CONFIG_$(PHASE_)UPL) += spl_upl.o