drm/vmwgfx: Break out surface and context management to separate files

Add a resource-private header for common resource definitions

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --cc drivers/gpu/drm/vmwgfx/Makefile
Simple merge

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

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

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

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