Allow building upstream kernels with clang

Veronika Kabátovárequested to merge
veruu/pipeline-definition:clang into main

Keep using gcc by default, and switch to clang if a "compiler" variable is overriden to "clang".

Signed-off-by: Veronika Kabatova vkabatov@redhat.com

Edited by Veronika Kabátová

Merge request reports