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/softing/vining_2000/vining_2000.c b/board/softing/vining_2000/vining_2000.c
index bd430cf..769f3e2 100644
--- a/board/softing/vining_2000/vining_2000.c
+++ b/board/softing/vining_2000/vining_2000.c
@@ -402,7 +402,7 @@
 	setbits_le32(&gpc_regs->cntr, PCIE_PHY_PUP_REQ);
 }
 
-#ifdef CONFIG_SPL_BUILD
+#ifdef CONFIG_XPL_BUILD
 #include <linux/libfdt.h>
 #include <spl.h>
 #include <asm/arch/mx6-ddr.h>
diff --git a/board/softing/vining_fpga/socfpga.c b/board/softing/vining_fpga/socfpga.c
index 2483fbc..ec2c7ea 100644
--- a/board/softing/vining_fpga/socfpga.c
+++ b/board/softing/vining_fpga/socfpga.c
@@ -43,7 +43,7 @@
 	return 0;
 }
 
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 int misc_init_r(void)
 {
 	uchar data[128];