[][MAC80211][mt76][sync SER patch.]

[Description]
Add SER enhance patch which is sync from eagle
1. try more times when send message timeout
2. add SER overlap handle

[Release-log]
N/A

Change-Id: I88080ef751a8c3929a24aceb08165a49398986b3
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8708781
2 files changed