Appears to be compatible with GM200 code.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
        .name = "GA100",
        .bios = nvkm_bios_new,
        .devinit = ga100_devinit_new,
+       .ibus = gm200_ibus_new,
        .mc = ga100_mc_new,
        .pci = gp100_pci_new,
 };
        .name = "GA102",
        .bios = nvkm_bios_new,
        .devinit = ga100_devinit_new,
+       .ibus = gm200_ibus_new,
        .mc = ga100_mc_new,
        .pci = gp100_pci_new,
 };
        .name = "GA104",
        .bios = nvkm_bios_new,
        .devinit = ga100_devinit_new,
+       .ibus = gm200_ibus_new,
        .mc = ga100_mc_new,
        .pci = gp100_pci_new,
 };