[PATCH] drm: Explicitly include correct DT includes

[Sam Ravnborg]

Hi Rob,

On Fri, Jul 14, 2023 at 11:45:34AM -0600, Rob Herring wrote:
> The DT of_device.h and of_platform.h date back to the separate
> of_platform_bus_type before it as merged into the regular platform bus.
> As part of that merge prepping Arm DT support 13 years ago, they
> "temporarily" include each other. They also include platform_device.h
> and of.h. As a result, there's a pretty much random mix of those include
> files used throughout the tree. In order to detangle these headers and
> replace the implicit includes with struct declarations, users need to
> explicitly include the correct includes.
> 
> Signed-off-by: Rob Herring <robh at kernel.org>
Acked-by: Sam Ravnborg <sam at ravnborg.org>