video: rockchip: vop: Fix whitespace

Fix confusing use of indentation.

Signed-off-by: Ondrej Jirman <megi@xff.cz>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index dab9902..c514e2a 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -432,7 +432,7 @@
 	ret = reset_assert(&ahb_rst);
 	if (ret) {
 		dev_err(dev, "failed to assert ahb reset (ret=%d)\n", ret);
-	return ret;
+		return ret;
 	}
 	udelay(20);