[PATCH] kbuild: Cleanup DT Overlay intermediate files as appropriate

[Rob Herring]

On Mon, Nov 14, 2022 at 02:59:39PM -0600, Andrew Davis wrote:
> %.dtbo.o and %.dtbo.S files are used to build-in DT Overlay. They should
> should not be removed by Make or the kernel will be needlessly rebuilt.
> 
> These should be removed by "clean" and ignored by git like other
> intermediate files.
> 
> Reported-by: Andy Shevchenko <andriy.shevchenko at intel.com>
> Signed-off-by: Andrew Davis <afd at ti.com>
> ---
>  .gitignore             | 1 +
>  Makefile               | 4 +++-
>  scripts/Makefile.build | 2 ++
>  3 files changed, 6 insertions(+), 1 deletion(-)

Applied, thanks!