Add missing vertex shader regs for r200.

fixed fdo bug 26061

agd5f: use official reg names
Signed-off-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@linux.ie>

This adds the command stream checker for the RN50, R100 and R200 cards.

It stops any access to 3D registers on RN50, and does checks
on buffer sizes on the r100/r200 cards. It also fixes some texture
sizing checks on r300.
Signed-off-by: NDave Airlie <airlied@redhat.com>