[PATCH v2 1/2] riscv: make image compression configurable

[Nicolas Schier]

On Sat, May 04, 2024 at 09:34:38PM +0200, Emil Renner Berthing wrote:
> Previously the build process would always set KBUILD_IMAGE to the
> uncompressed Image file (unless XIP_KERNEL or EFI_ZBOOT was enabled) and
> unconditionally compress it into Image.gz. However there are already
> build targets for Image.bz2, Image.lz4, Image.lzma, Image.lzo and
> Image.zstd, so let's make use of those, make the compression method
> configurable and set KBUILD_IMAGE accordingly so that targets like
> 'make install' and 'make bindeb-pkg' will use the chosen image.
> 
> Tested-by: Björn Töpel <bjorn at rivosinc.com>
> Signed-off-by: Emil Renner Berthing <emil.renner.berthing at canonical.com>
> ---
> Changes in v2:
> - Rebase on riscv/for-next
> - Use boot-image-$(CONFIG_..) := assignments rather than ifeq train
> ---

Looks good to me.

Reviewed-by: Nicolas Schier <n.schier at avm.de>