tree 09ac98064c9effcb9ea3f4bfdcd89b4d918ff242
parent 5e54d5e5fbc1f7237930af8466caf3cefd13b9bd
author Sam Ravnborg <sam@neptun.(none)> 1191177276 +0200
committer Sam Ravnborg <sam@neptun.(none)> 1192216832 +0200

kbuild: kill backward compatibility checks

These checks has been present for several kernel releases (> 5).
So lets just get rid of them.
With this we no longer check for use of:
EXTRA_TARGETS, O_TARGET, L_TARGET, list-multi, export-objs

There were three remaining in-tree users of O_TARGET in some
unmaintained sh64 code - mail sent to the maintainer + list.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>