qcacmn: use rssi_comb_ppdu for sniffer rssi

Use rssi_comb_ppdu of TLV WIFIPHYRX_RSSI_LEGACY_E
as RSSI reported in monitor mode on KIWI and HSP.

Change-Id: If9d0e5645c12874af32e43dae596602e446a44b0
CRs-Fixed: 3609169

hal/wifi3.0/hal_rx.h

@@ -3197,6 +3197,21 @@ hal_rx_tlv_l3_type_get(hal_soc_handle_t hal_soc_hdl, uint8_t *buf)
 			HAL_RX_TLV_L3_TYPE_INVALID;
 }
 
+/**
+ * hal_rx_phy_legacy_get_rssi() - API to get RSSI from TLV
+ * @hal_soc_hdl: HAL soc handle
+ * @buf: pointer to the start of WIFIPHYRX_RSSI_LEGACY_E TLV
+ *
+ * Return: value of RSSI
+ */
+static inline int8_t
+hal_rx_phy_legacy_get_rssi(hal_soc_handle_t hal_soc_hdl, uint8_t *buf)
+{
+	struct hal_soc *hal_soc = (struct hal_soc *)hal_soc_hdl;
+
+	return hal_soc->ops->hal_rx_phy_legacy_get_rssi(buf);
+}
+
 /**
  * hal_get_tsf_time() - Get tsf time
  * @hal_soc_hdl: HAL soc handle