[][Add export API ppe_del_entry_by_mac for wifi]

[Description]
Add export API ppe_del_entry_by_mac for wifi.
If not apply this patch, wifi call ppe_del_entry_by_mac will crash.
Keep the same with 4.x SDK.

[Release-log]
N/A

Change-Id: I77bbf12dd006d2fe48b43344edcdf0335ed7061f
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5380973
1 file changed