FROMLIST: BACKPORT: kbuild: add __cc-ifversion and compiler-specific variants

This change adds macros for testing both compiler name and
version. Current cc-version, cc-ifversion etc. macros that test
gcc version are left unchanged to prevent compatibility issues
with existing tests.

Bug: 62093296
Bug: 67506682
Change-Id: I14965fcc21dae8dfe31881b172214bf6f8a9f440
(am from https://patchwork.kernel.org/patch/10085767/

)
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>