cfg80211: enable TDLS on P2P client interfaces

There's no reason TDLS should be prevented on P2P client
interfaces, and most of the code already handles it, so
allow adding stations for it.

Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 08de0c6..7469020 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4051,6 +4051,7 @@
 			return -EINVAL;
 		break;
 	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_P2P_CLIENT:
 		/* ignore uAPSD data */
 		params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD;