tree e11cf667281d9d4cb4d1f0f115a3ccef077781ed
parent 36de077b20d05321466f8eaba0ae01b9b18ad93c
author Masahiro Yamada <yamada.masahiro@socionext.com> 1566696687 +0900
committer Masahiro Yamada <yamada.masahiro@socionext.com> 1567090469 +0900

kbuild: remove clean-dirs syntax

The only the difference between clean-files and clean-dirs is the -r
option passed to the 'rm' command.

You can always pass -r, and then remove the clean-dirs syntax.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>