The minimal kernel version in OpenWrt is now Linux 5.10.111. It already
provides various thing which needed special patches on older versions.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
The test builds are now requiring quilt refreshed patches instead of git
patches. Otherwise the build check will not even try to build something.
Signed-off-by: Sven Eckelmann <sven@narfation.org>