[][MAC80211][hostapd][refine hostapd patches]

[Description]
Refactor hostapd patches and apply new naming rule.

[Release-log]
N/A

Change-Id: I757e11f7171618db5f5d961123610474ef383a1f
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7135678
16 files changed