drm/vmwgfx: Update otable definitions

Update otable definitions and modify the otable setup code
accordingly.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>

diff --cc drivers/gpu/drm/vmwgfx/svga3d_reg.h
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
Simple merge

diff --cc drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
Simple merge