wlan: Add dummy handlers for Android PNO commands

Currently when the WLAN driver is presented with Android standard
PNOSETUP and PNOFORCE commands, the driver processses them as if they
are our proprietary PNO command.  Since the data provided by the
standard commands doesn't match the format of the proprietary command,
unexpected driver behavior may result.  Prevent this by adding dummy
handlers for the PNOSETUP and PNOFORCE commands so that those specific
commands don't result in invoking the proprietary PNO command handler.

Change-Id: I783d624803fb9fc66124a9344d3ebadad538bcae
CR-Fixed: 414855
diff --git a/CORE/HDD/src/wlan_hdd_wext.c b/CORE/HDD/src/wlan_hdd_wext.c
index 2a82da5..da69e43 100644
--- a/CORE/HDD/src/wlan_hdd_wext.c
+++ b/CORE/HDD/src/wlan_hdd_wext.c
@@ -2596,6 +2596,14 @@
         /*TODO: rxfilter-remove*/
     }
 #ifdef FEATURE_WLAN_SCAN_PNO
+    else if( strncasecmp(cmd, "pnosetup", 8) == 0 ) {
+        hddLog( VOS_TRACE_LEVEL_INFO, "pnosetup");
+        /*TODO: support pnosetup*/
+    }
+    else if( strncasecmp(cmd, "pnoforce", 8) == 0 ) {
+        hddLog( VOS_TRACE_LEVEL_INFO, "pnoforce");
+        /*TODO: support pnoforce*/
+    }
     else if( strncasecmp(cmd, "pno",3) == 0 ) {
 
         hddLog( VOS_TRACE_LEVEL_INFO, "pno\n");