wil6210: RX high threshold interrupt configuration

Rx high threshold interrupt is reported by the hardware in case
when number of not utilized by the HW descriptors in the Rx ring
becomes low.
Introduce module parameter for RX high threshold.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/wil6210/wmi.c

@@ -1090,6 +1090,7 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
 		.mid = 0, /* TODO - what is it? */
 		.decap_trans_type = WMI_DECAP_TYPE_802_3,
 		.reorder_type = WMI_RX_SW_REORDER,
+		.host_thrsh = cpu_to_le16(rx_ring_overflow_thrsh),
 	};
 	struct {
 		struct wil6210_mbox_hdr_wmi wmi;