Merge tag 'tilcdc-4.20' of https://github.com/jsarha/linux into drm-next

drm/tilcdc changes for Linux v4.20

suspend/resume update.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Jyri Sarha <jsarha@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bd8d6b40-d3d6-8e24-9d48-6201b860aceb@ti.com