of: Make of_get_phy_mode() return int i.s.o. const int

include/linux/of_net.h:16: warning: type qualifiers ignored on function return type

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
diff --git a/include/linux/of_net.h b/include/linux/of_net.h
index 61bf53b..34597c8 100644
--- a/include/linux/of_net.h
+++ b/include/linux/of_net.h
@@ -9,10 +9,10 @@
 
 #ifdef CONFIG_OF_NET
 #include <linux/of.h>
-extern const int of_get_phy_mode(struct device_node *np);
+extern int of_get_phy_mode(struct device_node *np);
 extern const void *of_get_mac_address(struct device_node *np);
 #else
-static inline const int of_get_phy_mode(struct device_node *np)
+static inline int of_get_phy_mode(struct device_node *np)
 {
 	return -ENODEV;
 }