mac80211: support separate default keys

Add support for split default keys (unicast
and multicast) in mac80211.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 973fee9..ae656b6 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -519,7 +519,8 @@
 
 	wiphy->flags |= WIPHY_FLAG_NETNS_OK |
 			WIPHY_FLAG_4ADDR_AP |
-			WIPHY_FLAG_4ADDR_STATION;
+			WIPHY_FLAG_4ADDR_STATION |
+			WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS;
 	wiphy->privid = mac80211_wiphy_privid;
 
 	wiphy->bss_priv_size = sizeof(struct ieee80211_bss);