mmc: renesas-sdhi: Fix error handling in rzg2l_sdhi_setup

We should ensure that reset_free() is called in the error path.

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Fixes: 93c811b7331b ("mmc: renesas-sdhi: Initialize module on RZ/G2L")
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 1ea6e10..865efdd 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -998,7 +998,7 @@
 	ret = reset_get_by_index(dev, 0, &rst);
 	if (ret < 0) {
 		dev_err(dev, "failed to get reset line\n");
-		goto err_reset;
+		goto err_get_reset;
 	}
 
 	ret = reset_deassert(&rst);
@@ -1016,6 +1016,8 @@
 err_tmio_probe:
 	reset_assert(&rst);
 err_reset:
+	reset_free(&rst);
+err_get_reset:
 	clk_disable(&aclk);
 err_aclk:
 	clk_disable(&imclk2);