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/arm/mach-uniphier/boot-device/boot-device.c b/arch/arm/mach-uniphier/boot-device/boot-device.c
index 1e6bc84..9d0fe5c 100644
--- a/arch/arm/mach-uniphier/boot-device/boot-device.c
+++ b/arch/arm/mach-uniphier/boot-device/boot-device.c
@@ -214,7 +214,7 @@
 	return !!(readl(sg_base + SG_PINMON0) & BIT(27));
 }
 
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 
 static int do_pinmon(struct cmd_tbl *cmdtp, int flag, int argc,
 		     char *const argv[])
@@ -267,4 +267,4 @@
 	""
 );
 
-#endif /* !CONFIG_SPL_BUILD */
+#endif /* !CONFIG_XPL_BUILD */