drm/ttm: fix warning that we shouldn't mix && and ||

Trivial warning fix.
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: 44819136 ("drm/ttm: fix bulk_move corruption when adding a entry")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230623070935.65102-1-christian.koenig@amd.com

drivers/gpu/drm/ttm/ttm_resource.c

@@ -114,7 +114,7 @@ static void ttm_lru_bulk_move_del(struct ttm_lru_bulk_move *bulk,
 	struct ttm_lru_bulk_move_pos *pos = ttm_lru_bulk_move_pos(bulk, res);
 
 	if (unlikely(WARN_ON(!pos->first || !pos->last) ||
-		     pos->first == res && pos->last == res)) {
+		     (pos->first == res && pos->last == res))) {
 		pos->first = NULL;
 		pos->last = NULL;
 	} else if (pos->first == res) {