[PATCH] drm/doc: document that PRIME import/export is always supported

[Jeffrey Hugo]

On 7/12/2023 12:32 PM, Simon Ser wrote:
> Since commit 6b85aa68d9d5 ("drm: Enable PRIME import/export for all
> drivers"), import/export is always supported. Document this so that
> user-space knows what to expect.
> 
> Signed-off-by: Simon Ser <contact at emersion.fr>
> Cc: Thomas Zimmermann <tzimmermann at suse.de>
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Cc: Jeffrey Hugo <quic_jhugo at quicinc.com>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>

Seems reasonable to me.
Reviewed-by: Jeffrey Hugo <quic_jhugo at quicinc.com>