r300g/r600g: bump cache manager timeouts to 1s

On lightsmark on my r500 this drop the bufmgr allocations of the sysprof.

src/gallium/winsys/r600/drm/r600_drm.c

@@ -230,7 +230,7 @@ struct radeon *radeon_new(int fd, unsigned device)
 	radeon->kman = radeon_bo_pbmgr_create(radeon);
 	if (!radeon->kman)
 		return NULL;
-	radeon->cman = pb_cache_manager_create(radeon->kman, 100000);
+	radeon->cman = pb_cache_manager_create(radeon->kman, 1000000);
 	if (!radeon->cman)
 		return NULL;
 	return radeon;

src/gallium/winsys/radeon/drm/radeon_r300.c

@@ -278,7 +278,7 @@ boolean radeon_setup_winsys(int fd, struct radeon_libdrm_winsys* ws)
     if (!ws->kman)
 	goto fail;
 
-    ws->cman = pb_cache_manager_create(ws->kman, 100000);
+    ws->cman = pb_cache_manager_create(ws->kman, 1000000);
     if (!ws->cman)
 	goto fail;