qcacld-3.0: Advertise TWT capability if "enable_twt" ini is true

Currently in SAP and STA mode the driver advertises TWT
capabilities in the HE capabilities IE based on the below ini
values irrespective of the master ini "enable_twt" to enable
the twt feature:
"he_twt_requestor","he_twt_responder", "he_bcast_twt",
"he_flex_twt_sched".
So even with the ini is disabled, twt capabilities are advertised

Advertise TWT capability only if "enable_twt" ini is true.

Change-Id: Iae3a98ee339f3859391e0deb64ddd354634b0cbf
CRs-Fixed: 2844516

components/mlme/dispatcher/inc/wlan_mlme_api.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -3050,4 +3050,22 @@ QDF_STATUS mlme_set_ext_opr_rate(struct wlan_objmgr_vdev *vdev, uint8_t *src,
  * Return: True if supported
  */
 bool wlan_mlme_is_sta_mon_conc_supported(struct wlan_objmgr_psoc *psoc);
+
+#ifdef WLAN_SUPPORT_TWT
+/**
+ * mlme_is_twt_enabled() - Get if TWT is enabled via ini.
+ * @psoc: pointer to psoc object
+ * @val: pointer to the value to be filled
+ *
+ * Return: True if TWT is enabled else false.
+ */
+bool
+mlme_is_twt_enabled(struct wlan_objmgr_psoc *psoc);
+#else
+static inline bool
+mlme_is_twt_enabled(struct wlan_objmgr_psoc *psoc)
+{
+	return false;
+}
+#endif /* WLAN_SUPPORT_TWT */
 #endif /* _WLAN_MLME_API_H_ */