[PATCH] drm: Update todo.rst

[Heiko Stuebner]

Am Mittwoch, 5. September 2018, 20:15:09 CEST schrieb Daniel Vetter:
> - drmP.h is now fully split up.
> - vkms is happening (and will gain its own todo and docs under a new
>   vkms.rst file real soon)
> - legacy cruft is completely hidden now, drm_vblank.c is split out
>   from drm_irq.c now. I've decided to drop the task to split out
>   drm_legacy.ko, partially because Dave already rejected a patch to
>   hide the old dri1 drivers better. Current state feels good enough to
>   me.
> - best_encoder atomic cleanup is done (it's now the default, not even
>   exported anymore)
> - bunch of smaller things
> 
> v2:
> - Explain why the drm_legacy.ko task is dropped (Emil).
> - typos (Sam).
> 
> v3: Fix typo (Ilia)
> 
> Cc: Ilia Mirkin <imirkin at alum.mit.edu>
> Cc: Sam Ravnborg <sam at ravnborg.org>
> Cc: Emil Velikov <emil.l.velikov at gmail.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Gustavo Padovan <gustavo at padovan.org>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Sean Paul <seanpaul at chromium.org>
> Cc: David Airlie <airlied at linux.ie>

I've read through the text changes and didn't spot any glaring typos
[beware non-native speaker], so fwiw
Reviewed-by: Heiko Stuebner <heiko at sntech.de>