docs: kbuild: remove mention to dropped $(objtree) feature

Commit 8d613a1d04 ("kbuild: drop $(objtree)/ prefix support
for clean-files") dropped support for prefixing with $(objtree).

Thus update the documentation to match that change.

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Miguel Ojeda 2023-01-07 15:37:47 +01:00 committed by Masahiro Yamada
parent b7bfaa761d
commit e3c9405ec5

View File

@ -1042,7 +1042,7 @@ $(clean-files).
When executing "make clean", the file "crc32table.h" will be deleted.
Kbuild will assume files to be in the same relative directory as the
Makefile, except if prefixed with $(objtree).
Makefile.
To exclude certain files or directories from make clean, use the
$(no-clean-files) variable.