[][mac80211][wifi6][mt76][Fix unusual Tx/Rx airtime duration values]

[Description]
Fix unusual Tx/Rx airtime duration values when running
"iw dev <devname> station dump".

[Release-log]
N/A


Change-Id: Idf66d36f7dcf1a2a43b291a562e70956dff6d957
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8694736
1 file changed