[][MT76][WED][add ser support when wed on]

[Description]
Add ser support when wed on

[Release-log]
N/A

Change-Id: I5dc1043c2173e9a366087d60801c85248a61ee5a
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6306169
4 files changed