[PATCH] drm/msm: Fix gen_header.py for older python3 versions

[Dmitry Baryshkov]

On Fri, Apr 12, 2024 at 05:54:07PM +0100, Jon Hunter wrote:
> The gen_header.py script is failing for older versions of python3 such
> as python 3.5. Two issues observed with python 3.5 are ...
> 
>  1. Python 3 versions prior to 3.6 do not support the f-string format.
>  2. Early python 3 versions do not support the 'required' argument for
>     the argparse add_subparsers().
> 
> Fix both of the above so that older versions of python 3 still work.
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

-- 
With best wishes
Dmitry