svga: Add vmwgfx_drm.h file from vmwgfx kernel driver

Add the vmwgfx_drm.h header for now, this allows the svga driver
to be enabled by default without forcing people to install the
vmwgfx_drm.h header on their system.

To be removed once vmwgfx_drm.h is in libdrm.
1 file changed