Add the latest default Kernel for testing. This step is required to keep
UML in tree for the next release.
Signed-off-by: Paul Spooren <mail@aparcar.org>
The UML target been outdated for a long time. Instead of just carrying
unmaintained code we should build it again and allow people and CIs to
use it for testing.
This commit removes the `source-only` feature which disables building.
Signed-off-by: Paul Spooren <mail@aparcar.org>
This step drops support host build systems other than x86/64 to allow
two Kernel configuration in parallel. With this commit the setup follow
the config style of all other targets.
Signed-off-by: Paul Spooren <mail@aparcar.org>