[POWERPC] Convert to mac-address for ethernet MAC address data.

Also accept "local-mac-address".  However the old "address"
is now obsolete, but accepted for backwards compatibility.
It should be removed after all device trees have been
converted to use "mac-address".

Signed-off-by: Jon Loeliger <jdl@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index e983972..12b6560 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -169,8 +169,16 @@
 			goto err;
 		}
 
-		mac_addr = get_property(np, "address", NULL);
-		memcpy(gfar_data.mac_addr, mac_addr, 6);
+		mac_addr = get_property(np, "local-mac-address", NULL);
+		if (mac_addr == NULL)
+			mac_addr = get_property(np, "mac-address", NULL);
+		if (mac_addr == NULL) {
+			/* Obsolete */
+			mac_addr = get_property(np, "address", NULL);
+		}
+
+		if (mac_addr)
+			memcpy(gfar_data.mac_addr, mac_addr, 6);
 
 		if (model && !strcasecmp(model, "TSEC"))
 			gfar_data.device_flags =