Merge branch 'ynl-makefile-cleanup'

Jakub Kicinski says:

====================
ynl Makefile cleanup

While catching up on recent changes I noticed unexpected
changes to Makefiles in YNL. Indeed they were not working
as intended but the fixes put in place were not what I had
in mind :)
====================

Link: https://lore.kernel.org/r/20231003153416.2479808-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>