vmwgfx: Update device headers for command buffers.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>

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

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

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