board: 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/board/siemens/pxm2/Makefile b/board/siemens/pxm2/Makefile
index aae5364..ac59c5b 100644
--- a/board/siemens/pxm2/Makefile
+++ b/board/siemens/pxm2/Makefile
@@ -9,13 +9,13 @@
 # u-boot:/board/ti/am335x/Makefile
 # Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
 
-ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_XPL_BUILD
 obj-y	:= mux.o
 endif
 
 obj-y	+= board.o
 obj-y += ../common/board_am335x.o
 obj-y += ../common/eeprom.o
-ifndef CONFIG_SPL_BUILD
+ifndef CONFIG_XPL_BUILD
 obj-y += ../common/factoryset.o
 endif
diff --git a/board/siemens/pxm2/board.c b/board/siemens/pxm2/board.c
index 888c7c0..4f96113 100644
--- a/board/siemens/pxm2/board.c
+++ b/board/siemens/pxm2/board.c
@@ -28,7 +28,7 @@
 #include "../common/eeprom.h"
 #include "../common/factoryset.h"
 
-#ifdef CONFIG_SPL_BUILD
+#ifdef CONFIG_XPL_BUILD
 void draco_init_ddr(void)
 {
 struct emif_regs pxm2_ddr3_emif_reg_data = {
@@ -154,10 +154,10 @@
 
 	return 0;
 }
-#endif /* if def CONFIG_SPL_BUILD */
+#endif /* if def CONFIG_XPL_BUILD */
 
-#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
-	(defined(CONFIG_SPL_ETH) && defined(CONFIG_SPL_BUILD))
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_XPL_BUILD)) || \
+	(defined(CONFIG_SPL_ETH) && defined(CONFIG_XPL_BUILD))
 static void cpsw_control(int enabled)
 {
 	/* VTP can be added here */
@@ -198,15 +198,15 @@
 	.host_port_num		= 0,
 	.version		= CPSW_CTRL_VERSION_2,
 };
-#endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) */
+#endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_XPL_BUILD)) */
 
 #if defined(CONFIG_DRIVER_TI_CPSW) || \
 	(defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET))
 int board_eth_init(struct bd_info *bis)
 {
 	int n = 0;
-#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
-	(defined(CONFIG_SPL_ETH) && defined(CONFIG_SPL_BUILD))
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_XPL_BUILD)) || \
+	(defined(CONFIG_SPL_ETH) && defined(CONFIG_XPL_BUILD))
 	struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
 #ifdef CONFIG_FACTORYSET
 	int rv;