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/freescale/imx8ulp_evk/Makefile b/board/freescale/imx8ulp_evk/Makefile
index 1cf148a..7819b26 100644
--- a/board/freescale/imx8ulp_evk/Makefile
+++ b/board/freescale/imx8ulp_evk/Makefile
@@ -2,7 +2,7 @@
obj-y += imx8ulp_evk.o
-ifdef CONFIG_SPL_BUILD
+ifdef CONFIG_XPL_BUILD
obj-y += spl.o
ifdef CONFIG_IMX8ULP_ND_MODE
obj-y += lpddr4_timing_264.o