include: 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/include/configs/P1010RDB.h b/include/configs/P1010RDB.h
index 9efae58..20fded5 100644
--- a/include/configs/P1010RDB.h
+++ b/include/configs/P1010RDB.h
@@ -43,7 +43,7 @@
 #define CFG_SYS_NAND_U_BOOT_SIZE	(576 << 10)
 #define CFG_SYS_NAND_U_BOOT_DST	(0x11000000)
 #define CFG_SYS_NAND_U_BOOT_START	(0x11000000)
-#elif defined(CONFIG_SPL_BUILD)
+#elif defined(CONFIG_XPL_BUILD)
 #define CFG_SYS_NAND_U_BOOT_SIZE	(128 << 10)
 #define CFG_SYS_NAND_U_BOOT_DST	0xD0000000
 #define CFG_SYS_NAND_U_BOOT_START	0xD0000000
@@ -290,7 +290,7 @@
 /*
  * Config the L2 Cache as L2 SRAM
  */
-#if defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_XPL_BUILD)
 #if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
 #define CFG_SYS_INIT_L2_ADDR		0xD0000000
 #define CFG_SYS_INIT_L2_ADDR_PHYS	CFG_SYS_INIT_L2_ADDR