[][MAC80211][MT76][Add hemu dump support]

[Description]
Add vendor nl80211 handler for hemu dump

[Release-log]
N/A

Change-Id: I6cacfd7a9311bf8208404b0b784403f84c0f0fb5
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6366533
1 file changed