Staging: wilc1000: Prefer eth_broadcast_addr over memset()

This patch is to the host_interface.c that fixes up following
warning by checkpatch:

-prefer eth_broadcast_addr() over memset()

Signed-off-by: Punit Vara <punitvara@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 9a6fcc7..dbbe72c 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -4571,7 +4571,7 @@
 	msg.drv = hif_drv;
 
 	if (!pu8MacAddr)
-		memset(pstrDelStationMsg->mac_addr, 255, ETH_ALEN);
+		eth_broadcast_addr(pstrDelStationMsg->mac_addr);
 	else
 		memcpy(pstrDelStationMsg->mac_addr, pu8MacAddr, ETH_ALEN);