patches/openwrt: add patch to fix detection of enabled service
The services such as umount do not have START but they have STOP.
The original implementation of enabled considered only START but
both of them should be considered.
Upstream MR: https://github.com/openwrt/openwrt/pull/4235
The fix for #271 (closed) and cause of #253 (closed)
Edited by Karel Koci