nv30/draw: only use the DMA1 object (GART) if the bo is not in VRAM
nv30/draw: only use the DMA1 object (GART) if the bo is not in VRAM

Instead of always having it in the data, let the bo placement decide it.
This fixes glxgears with swtnl forced on.

Signed-off-by: Ilia Mirkin <bcbbb7aa705ec3a5fc5824c01a845186c3d62fca@alum.mit.edu>
Reviewed-by: Ben Skeggs <d9f27fb07c1e9f131223ad827fa5179f3846c30b@redhat.com>
Cc: "10.5 10.6" <59f39c0db42d4479a46b02d4d2bc11120e37bb44@lists.freedesktop.org>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler