[][MAC80211][misc][Add Bpi-R4 image support]

[Description]
Add Bpi-R4 image support

[Release-log]

Change-Id: I142023955ea7d242823d05f9eca44f0c68de365e
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/9046936
1 file changed