[POWERPC] get_property returns const

This just tidies up some of the remains.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 059da96..cee66b7 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -565,11 +565,11 @@
 				const struct of_device_id *id)
 {
 	struct ehca_shca *shca;
-	u64 *handle;
+	const u64 *handle;
 	struct ib_pd *ibpd;
 	int ret;
 
-	handle = (u64 *)get_property(dev->ofdev.node, "ibm,hca-handle", NULL);
+	handle = get_property(dev->ofdev.node, "ibm,hca-handle", NULL);
 	if (!handle) {
 		ehca_gen_err("Cannot get eHCA handle for adapter: %s.",
 			     dev->ofdev.node->full_name);