qtnfmac: add support for scan dwell time configuration

Firmware supports scan dwell time tuning for various types of scans.
Enable support for this feature:
- advertise capability to configure channel dwell time to host
- pass scan dwell parameters to wireless card in scan request

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/quantenna/qtnfmac/qlink.h

@@ -80,6 +80,7 @@ enum qlink_hw_capab {
 	QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR	= BIT(3),
 	QLINK_HW_CAPAB_PWR_MGMT			= BIT(4),
 	QLINK_HW_CAPAB_OBSS_SCAN		= BIT(5),
+	QLINK_HW_CAPAB_SCAN_DWELL		= BIT(6),
 };
 
 enum qlink_iface_type {
@@ -1152,6 +1153,7 @@ enum qlink_tlv_id {
 	QTN_TLV_ID_WOWLAN_CAPAB		= 0x0410,
 	QTN_TLV_ID_WOWLAN_PATTERN	= 0x0411,
 	QTN_TLV_ID_SCAN_FLUSH		= 0x0412,
+	QTN_TLV_ID_SCAN_DWELL		= 0x0413,
 };
 
 struct qlink_tlv_hdr {