qcacld-3.0: Add ini support to configure max ndp sessions in fw

Introduce INI "ndp_max_sessions" to configure max number of ndp
sessions host supports. Firmware advertises max number of ndp
sessions supported in wmi_service_ready_ext2 event. If the firmware
advertises non-zero value of max ndp sessions then host configures
max ndp sessions support in firmware using WMI_INIT_CMD.

Host uses a minimum of "ndp_max_sessions" value and firmware
advertised max ndp session value to configure max number of ndp
sessions in firmware.

Change-Id: I613815f384f9b0a61711324c85ecfa095d133360
CRs-Fixed: 2673120

components/nan/dispatcher/inc/cfg_nan_api.h

@@ -74,6 +74,16 @@ QDF_STATUS cfg_nan_get_ndp_inactivity_timeout(struct wlan_objmgr_psoc *psoc,
 QDF_STATUS cfg_nan_get_ndp_keepalive_period(struct wlan_objmgr_psoc *psoc,
 					    uint16_t *val);
 
+/**
+ * cfg_nan_get_ndp_max_sessions() - get NDP max sessions host supports
+ * @psoc: pointer to psoc object
+ * @val: pointer to hold max ndp sessions
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS cfg_nan_get_ndp_max_sessions(struct wlan_objmgr_psoc *psoc,
+					uint32_t *val);
+
 /**
  * cfg_nan_get_support_mp0_discovery() - get value of config support mp0
  * discovery
@@ -127,6 +137,13 @@ QDF_STATUS cfg_nan_get_ndp_keepalive_period(struct wlan_objmgr_psoc *psoc,
 	return QDF_STATUS_SUCCESS;
 }
 
+static inline
+QDF_STATUS cfg_nan_get_ndp_max_sessions(struct wlan_objmgr_psoc *psoc,
+					uint32_t *val)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
 static inline bool cfg_nan_get_support_mp0_discovery(
 						struct wlan_objmgr_psoc *psoc)
 {