build: don't remove BUILD_LOG_DIR in _clean

targetclean should not remove BUILD_LOG

Fixes: db34b93331 (add a version that can be bumped to force toolchain/target rebuild)
Signed-off-by: Huangbin Zhan <zhanhb88@gmail.com>
This commit is contained in:
Huangbin Zhan 2022-04-24 09:58:25 +08:00 committed by Hauke Mehrtens
parent 714b88c1ab
commit aeaa816cd2