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/mntre/imx8mq_reform2/Makefile b/board/mntre/imx8mq_reform2/Makefile
index 2efd56b..2772c8d 100644
--- a/board/mntre/imx8mq_reform2/Makefile
+++ b/board/mntre/imx8mq_reform2/Makefile
@@ -6,7 +6,7 @@
obj-y += imx8mq_reform2.o
-ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_XPL_BUILD
obj-y += spl.o
obj-$(CONFIG_IMX8M_LPDDR4) += lpddr4_timing.o
endif