include: Convert ethernet mac address declarations to use ETH_ALEN

It's convenient to have ethernet mac addresses use
ETH_ALEN to be able to grep for them a bit easier and
also to ensure that the addresses are __aligned(2).

Add #include <linux/if_ether.h> as necessary.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/uwb/spec.h b/include/linux/uwb/spec.h
index b52e44f..0df24bf 100644
--- a/include/linux/uwb/spec.h
+++ b/include/linux/uwb/spec.h
@@ -32,6 +32,7 @@
 
 #include <linux/types.h>
 #include <linux/bitmap.h>
+#include <linux/if_ether.h>
 
 #define i1480_FW 0x00000303
 /* #define i1480_FW 0x00000302 */
@@ -130,7 +131,7 @@
  * it is also used to define headers sent down and up the wire/radio).
  */
 struct uwb_mac_addr {
-	u8 data[6];
+	u8 data[ETH_ALEN];
 } __attribute__((packed));
 
 
@@ -568,7 +569,7 @@
 /* Device Address Management event. [WHCI] section 3.1.3.2. */
 struct uwb_rc_evt_dev_addr_mgmt {
 	struct uwb_rceb rceb;
-	u8 baAddr[6];
+	u8 baAddr[ETH_ALEN];
 	u8 bResultCode;
 } __attribute__((packed));