qcacld-3.0: Do not allow 6 GHz SAP in non-WPA3

Reject the SAP if the frequency is 6 GHz and
the security is non-WPA3 AKM suite.

Also, use the ini "check_6ghz_security" to
allow the 6 GHz SAP to be operational on an
open security mode for test purposes.

Change-Id: Ifc57656a556ef5b6829ed56bb1ec360b5b84379e
CRs-Fixed: 3176629

core/sap/src/sap_fsm.c

@@ -2971,6 +2971,9 @@ static QDF_STATUS sap_goto_starting(struct sap_context *sap_ctx,
 		qdf_status = sap_validate_dfs_nol(sap_ctx, mac_ctx);
 		if (!QDF_IS_STATUS_SUCCESS(qdf_status))
 			return qdf_status;
+	} else if (!policy_mgr_get_ap_6ghz_capable(mac_ctx->psoc,
+						   sap_ctx->sessionId, NULL)) {
+		return QDF_STATUS_E_FAILURE;
 	}
 
 	/*