[][MAC80211][mt76][support fwlog to bin on DUT]

[Description]
Add support for fwlog to bin on DUT.

Example usage:
mt76-test phy0 fwlog 192.168.1.1 7 fwlog.bin (for 7915)
mt76-test phy0 fwlog 192.168.1.1 15 fwlog.bin (for 7986)

The ip addr doesn't matter here, but should be a valid one.

[Release-log]
N/A

Change-Id: I227f13c4138ba662880e4fd0ee4cfc475c294891
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5978837
1 file changed