[][openwrt][common][app][Fix symbolic link path of ethswbox]

[Description]
Fix symbolic link path to /usr/sbin/fapi-xxx

[Release-log]
N/A


Change-Id: I30cc8f82ded4677a9d93e45d29a18069de87ade2
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/9213010
2 files changed