wlan:HT40 support on 2.4GHz band

Following changes are made as part of this gerrit
- Enabling HT40 on 2.4GHz
- Switching of HT40 to HT20
- Added new feature flag HT40_OBSS_SCAN
- Beacon offload extended to detect the changes in secondary
  channel offset in HT operation IE.

Change-Id: I0fdafde198f44c0d51a85e9beaade2b60c6ac174
CRs-Fixed: 608188
diff --git a/CORE/MAC/src/include/parserApi.h b/CORE/MAC/src/include/parserApi.h
index 994b02f..3301b1c 100644
--- a/CORE/MAC/src/include/parserApi.h
+++ b/CORE/MAC/src/include/parserApi.h
@@ -885,7 +885,8 @@
 PopulateDot11fVHTExtBssLoad(tpAniSirGlobal  pMac, tDot11fIEVHTExtBssLoad   *pDot11f);
 
 tSirRetStatus
-PopulateDot11fExtCap(tpAniSirGlobal pMac, tDot11fIEExtCap * pDot11f);
+PopulateDot11fExtCap(tpAniSirGlobal pMac, tDot11fIEExtCap * pDot11f,
+                            tPESession *sessionEntry);
 
 tSirRetStatus
 PopulateDot11fOperatingMode(tpAniSirGlobal pMac, tDot11fIEOperatingMode *pDot11f, tpPESession psessionEntry );