[PATCH] powerpc: Add a checkpatch wrapper with our preferred settings

[Russell Currey]

On Wed, 2018-07-25 at 00:03 +1000, Michael Ellerman wrote:
> This makes it easy to run checkpatch with settings that we have
> agreed
> on (bwhahahahah).
> 
> Usage is eg:
> 
>   $ ./arch/powerpc/tools/checkpatch.sh -g origin/master..
> 
> To check all commits since origin/master.
> 
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Reviewed-by: Russell Currey <ruscur at russell.cc>