wlan: Correct bss info in case of WSC IE

BSS info is not getting expanded correctly if WSC IE is present in
the AP. Add changes to correct this. Also add changes to send
PER roam config to FW only if PER roaming is enabled.

Change-Id: I8312163f53d1d7c6b95330b7a7441f39e21a4b6f
CRs-Fixed: 1041010
diff --git a/CORE/MAC/src/pe/lim/limSerDesUtils.c b/CORE/MAC/src/pe/lim/limSerDesUtils.c
index b41d6dd..e879a07 100644
--- a/CORE/MAC/src/pe/lim/limSerDesUtils.c
+++ b/CORE/MAC/src/pe/lim/limSerDesUtils.c
@@ -283,6 +283,9 @@
         return eSIR_FAILURE;
     }
 
+    pBuf += (WSCIE_PROBE_RSP_LEN);
+    len -= (WSCIE_PROBE_RSP_LEN);
+
     /* Extract HTCapsPresent */
     pBssDescription->HTCapsPresent = *pBuf++;
     len --;