[][MAC80211][mt76][add debug log in SER flow]

[Description]
Add debug log in SER flow.

[Release-log]
N/A

Change-Id: I22f69a27608799c379a068ab5489febad373b0bd
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7993488
1 file changed