UPSTREAM: kbuild: use GCOV_PROFILE and KCSAN_SANITIZE in scripts/Makefile.modfinal

cherry picked from commit b4f944ba.

Instead of filtering out the GCOV and KCSAN flags, let's set GCOV_PROFILE
and KCSAN_SANITIZE to 'n', as in other Makefiles.

Bug: 392184315
Bug: 435302614
Bug: 435559445
Change-Id: I63c76b3d3c090c69c7f19006c409e05da625b47a
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Roberto Sassu <roberto.sassu@huawei.com>