Add the necessary set of commands to support OpenGL
indirect draw calls on evergreen/cayman devices that
do not have VM.

v2: agd5f: fix warning on 32-bit
Reviewed-by: NMarek Olšák <marek.olsak@amd.com>
Signed-off-by: NGlenn Kennard <glenn.kennard@gmail.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>