scan based teardown across wlan and p2p interface

Find the peer for all interfaces even when scan is issued on
one interface, and use corresponding wiphy dev pointer when
indicating teardown to supplicant.
Change station accepts p2p client device mode.

Change-Id: Ic959dea0855b8bafa631a177d575c07325f702a7
CRs-Fixed: 466996
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 765620e..489b55a 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -2956,7 +2956,8 @@
         }
     }
 #ifdef FEATURE_WLAN_TDLS
-    else if (pAdapter->device_mode == WLAN_HDD_INFRA_STATION ) {
+    else if ((pAdapter->device_mode == WLAN_HDD_INFRA_STATION)
+          || (pAdapter->device_mode == WLAN_HDD_P2P_CLIENT)) {
         if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
             StaParams.capability = params->capability;
             StaParams.uapsd_queues = params->uapsd_queues;