[SPARC64]: constify of_get_property return: arch/sparc64

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index 35bf895..1962bfa 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -285,7 +285,7 @@
 				   int non_standard_regs)
 {
 	struct of_device *op;
-	int *regs;
+	const int *regs;
 	int i, len;
 
 	dev->prom_node = dp;