ice: use eth_broadcast_addr() to set broadcast address

Use eth_broadcast_addr() to set broadcast address instead of memset().
Signed-off-by: Lu Wei <luwei32@huawei.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_tc_lib.c

@@ -1256,7 +1256,7 @@ ice_handle_tclass_action(struct ice_vsi *vsi,
 			   ICE_TC_FLWR_FIELD_ENC_DST_MAC)) {
 		ether_addr_copy(fltr->outer_headers.l2_key.dst_mac,
 				vsi->netdev->dev_addr);
-		memset(fltr->outer_headers.l2_mask.dst_mac, 0xff, ETH_ALEN);
+		eth_broadcast_addr(fltr->outer_headers.l2_mask.dst_mac);
 	}
 
 	/* validate specified dest MAC address, make sure either it belongs to