Recent tinydrm -> tiny drm drivers rename causes kernel-doc problems

Hi Noralf,

While doing a "make htmldocs" I just noticed the following errors:

Error: Cannot open file ./drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c Error: Cannot open file ./drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c Error: Cannot open file ./drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c Error: Cannot open file ./drivers/gpu/drm/tinydrm/core/tinydrm-pipe.c Error: Cannot open file ./drivers/gpu/drm/tinydrm/mipi-dbi.c Error: Cannot open file ./drivers/gpu/drm/tinydrm/mipi-dbi.c Error: Cannot open file ./drivers/gpu/drm/tinydrm/mipi-dbi.c

It looks like some of the rst file references to tinydrm related things need updating.

Regards,

Hans