patches/openwrt: kernel: update to version 4.14.278
In this kernel version 4.14.278, there are backported fixes for aardvark driver, which is used in Turris MOX. That's why I dropped revert patch related to it as with kernel 4.14.277, there were reported issue, when miniPCIe card - Compex WLE900VX did not work.
Reference: #344 (closed)