[][MAC80211][app][Add bridge name config to atenl]

[Description]
Add bridge name config to atenl
Add dynamic default bridge name selection via detecting SDK

[Release-log]
N/A

Change-Id: I1611633a124ebb57499b8a286020c55c0d1c3080
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6604202
Build: srv_hbgsm110
3 files changed