wlan: Set scan_type to P2P_DISCOVERY only for social channel scan.

Scan type should be set to P2P_DISCOVERY only if it is a p2p search on
social channel. Otherwise it should not be set. Fixes: Scanning invalid
channels during p2p scan.

Change-Id: I011568eac0cdc17a707dc342a38ea3b861fb9489
CR-Fixed: 412053
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 97e1acc..6d1a520 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -3870,6 +3870,8 @@
                          pScanInfo->flushP2pScanResults = 1;
                          sme_ScanFlushP2PResult( WLAN_HDD_GET_HAL_CTX(pAdapter),
                                           sessionId );
+                         /* set requestType to P2P Discovery */
+                         scanRequest.requestType = eCSR_SCAN_P2P_DISCOVERY;
                     }
 
                     /*
@@ -3885,8 +3887,6 @@
                        scanRequest.skipDfsChnlInP2pSearch = 0;
                     }
 
-                    /* set requestType to P2P Discovery */
-                    scanRequest.requestType = eCSR_SCAN_P2P_DISCOVERY;
                 }
             }
 #endif