[WCNCR00151871] softap: add operating mode notification IE

[Description]
Add operating mode notification IE in Extended Capabilities IE
in the Beacon to pass 11ac 4.2.55 test item

Change-Id: I024e73baf8acb3424871374552281eb29fdde8ae
Feature: softap
Signed-off-by: Howie Liu <jen-hao.liu@mediatek.com>
CR-Id: WCNCR00151871
Reviewed-on: http://gerrit.mediatek.inc:8080/805228
CheckPatch: Check Patch <srv_checkpatch@mediatek.com>
Reviewed-by: Sarick Jiang <sarick.jiang@mediatek.com>
diff --git a/mgmt/rlm.c b/mgmt/rlm.c
index fbc4405..b69d08e 100644
--- a/mgmt/rlm.c
+++ b/mgmt/rlm.c
@@ -717,7 +717,8 @@
 		if (prStaRec) {
 			if (prStaRec->ucPhyTypeSet & PHY_TYPE_SET_802_11AC)
 				fgAppendVhtCap = TRUE;
-		} else if ((RLM_NET_IS_11AC(prBssInfo)) && (prBssInfo->eCurrentOPMode == OP_MODE_INFRASTRUCTURE))
+		} else if ((RLM_NET_IS_11AC(prBssInfo)) && ((prBssInfo->eCurrentOPMode == OP_MODE_INFRASTRUCTURE) ||
+		(prBssInfo->eCurrentOPMode == OP_MODE_ACCESS_POINT)))
 			fgAppendVhtCap = TRUE;
 	}