qcacld-3.0: Get Vote level and High threshold from dp context

Currently we are getting current vote level and bus bandwidth
high threshold from hdd context. But these are moved to dp
context under dp component.
So to fix issue add and call ucfg api to get and set values.

Change-Id: I2c36b2df76c5932dc0d1bdbdec21ce2da5f537bc
CRs-Fixed: 3252743

components/dp/dispatcher/inc/wlan_dp_ucfg_api.h

@@ -1190,4 +1190,12 @@ bool ucfg_dp_nud_fail_data_stall_evt_enabled(void);
  */
 uint32_t ucfg_dp_fw_data_stall_evt_enabled(void);
 
+/**
+ * ucfg_dp_get_bus_bw_high_threshold() - Get the bus bw high threshold
+ * @psoc: psoc handle
+ *
+ * Return: current bus bw high threshold
+ */
+uint32_t ucfg_dp_get_bus_bw_high_threshold(struct wlan_objmgr_psoc *psoc);
+
 #endif /* _WLAN_DP_UCFG_API_H_ */