llc: Use normal etherdevice.h tests

Convert the llc_<foo> static inlines to the
equivalents from etherdevice.h and remove
the llc_<foo> static inline functions.

llc_mac_null -> is_zero_ether_addr
llc_mac_multicast -> is_multicast_ether_addr
llc_mac_match -> ether_addr_equal

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index 78be45c..e585069 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -302,7 +302,7 @@
 
      return sk->sk_type == SOCK_DGRAM &&
 	  llc->laddr.lsap == laddr->lsap &&
-	  llc_mac_match(llc->laddr.mac, laddr->mac);
+	  ether_addr_equal(llc->laddr.mac, laddr->mac);
 }
 
 /**
@@ -425,7 +425,7 @@
 	llc_pdu_decode_da(skb, laddr.mac);
 	llc_pdu_decode_dsap(skb, &laddr.lsap);
 
-	if (llc_mac_multicast(laddr.mac)) {
+	if (is_multicast_ether_addr(laddr.mac)) {
 		llc_sap_mcast(sap, &laddr, skb);
 		kfree_skb(skb);
 	} else {