drm/nouveau/mc: add missing braces

Several braces were misplaced unintentionally. That caused the msi handling
became part of the default case of the first switch statement. So add the
missing ones.
Signed-off-by: NVince Hsu <vinceh@nvidia.com>
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/core/subdev/mc/base.c

@@ -124,7 +124,7 @@ nouveau_mc_create_(struct nouveau_object *parent, struct nouveau_object *engine,
 
 	pmc->unk260 = nouveau_mc_unk260;
 
-	if (nv_device_is_pci(device))
+	if (nv_device_is_pci(device)) {
 		switch (device->pdev->device & 0x0ff0) {
 		case 0x00f0:
 		case 0x02e0:
@@ -138,6 +138,7 @@ nouveau_mc_create_(struct nouveau_object *parent, struct nouveau_object *engine,
 			default:
 				pmc->use_msi = true;
 				break;
+			}
 		}
 
 		pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI",