dma-buf/dma-resv.c: fix a typo

The dma_resv_wait_timeout() function return a value greater than zero
on success.
Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230416143849.1142779-1-suijingfeng@loongson.cn

drivers/dma-buf/dma-resv.c

@@ -660,7 +660,7 @@ EXPORT_SYMBOL_GPL(dma_resv_get_singleton);
  * dma_resv_lock() already
  * RETURNS
  * Returns -ERESTARTSYS if interrupted, 0 if the wait timed out, or
- * greater than zer on success.
+ * greater than zero on success.
  */
 long dma_resv_wait_timeout(struct dma_resv *obj, enum dma_resv_usage usage,
 			   bool intr, unsigned long timeout)