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/ge/b1x5v2/b1x5v2.c b/board/ge/b1x5v2/b1x5v2.c
index 031773b..c1aacd1 100644
--- a/board/ge/b1x5v2/b1x5v2.c
+++ b/board/ge/b1x5v2/b1x5v2.c
@@ -35,7 +35,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 
 #define B1X5V2_GE_VPD_OFFSET	0x0100000
 #define B1X5V2_GE_VPD_SIZE	1022
@@ -695,4 +695,4 @@
        ""
 );
 
-#endif // CONFIG_SPL_BUILD
+#endif // CONFIG_XPL_BUILD
diff --git a/board/ge/b1x5v2/spl.c b/board/ge/b1x5v2/spl.c
index 460d3be..b6f2334 100644
--- a/board/ge/b1x5v2/spl.c
+++ b/board/ge/b1x5v2/spl.c
@@ -20,7 +20,7 @@
 #include <spi_flash.h>
 #include <spl.h>
 
-#if defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_XPL_BUILD)
 
 #include <asm/arch/mx6-ddr.h>