wlan:SAPHT40 2.4GHz: Enable DSSS/CCK bit in HT capabilty for SAP HT40

Enable DSSS/CCK bit in HT capabilty for SAP/P2P HT40 mode

Change-Id: I0d41d442dc43998c9b52eeaa20cf68d072e2748c
CRs-Fixed: 781435
diff --git a/CORE/MAC/src/pe/sch/schBeaconGen.c b/CORE/MAC/src/pe/sch/schBeaconGen.c
index 9cd8343..393a81f 100644
--- a/CORE/MAC/src/pe/sch/schBeaconGen.c
+++ b/CORE/MAC/src/pe/sch/schBeaconGen.c
@@ -345,6 +345,11 @@
     {
         PopulateDot11fOBSSScanParameters( pMac, &pBcn2->OBSSScanParameters,
                                                                psessionEntry);
+        /* 10.15.8 Support of DSSS/CCK in 40 MHz, An associated HT STA in
+         * a 20/40 MHz BSS may generate DSSS/CCK transmissions. Set DSSS/CCK
+         * Mode in 40 MHz bit in HT capablity.
+         */
+        pBcn2->HTCaps.dsssCckMode40MHz = 1;
     }
 #endif