arch: 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/arch/mips/mach-mtmips/mt7621/Makefile b/arch/mips/mach-mtmips/mt7621/Makefile
index bf1b0bb..f48083e 100644
--- a/arch/mips/mach-mtmips/mt7621/Makefile
+++ b/arch/mips/mach-mtmips/mt7621/Makefile
@@ -3,7 +3,7 @@
obj-y += init.o
obj-y += serial.o
-ifeq ($(CONFIG_SPL_BUILD),y)
+ifeq ($(CONFIG_XPL_BUILD),y)
ifeq ($(CONFIG_TPL_BUILD),y)
obj-y += tpl/
else