arm: mvebu: Mark constant data with const keyword

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-mvebu/mbus.c b/arch/arm/mach-mvebu/mbus.c
index 7092f6c..959ca8e 100644
--- a/arch/arm/mach-mvebu/mbus.c
+++ b/arch/arm/mach-mvebu/mbus.c
@@ -469,7 +469,7 @@
 	return 0;
 }
 
-int mvebu_mbus_probe(struct mbus_win windows[], int count)
+int mvebu_mbus_probe(const struct mbus_win windows[], int count)
 {
 	int win;
 	int ret;