drm/tinydrm/mi0283qt: Use common include order

Include linux headers before drm headers as it's commonly done.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180110185940.53841-2-noralf@tronnes.org