phy: bcm63xx: Don't check clk_free

This function always succeeds, so don't check its return value.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Link: https://lore.kernel.org/r/20220115222504.617013-5-seanga2@gmail.com
diff --git a/drivers/phy/bcm6318-usbh-phy.c b/drivers/phy/bcm6318-usbh-phy.c
index 60608a5..1c10853 100644
--- a/drivers/phy/bcm6318-usbh-phy.c
+++ b/drivers/phy/bcm6318-usbh-phy.c
@@ -98,9 +98,7 @@
 	if (ret < 0)
 		return ret;
 
-	ret = clk_free(&clk);
-	if (ret < 0)
-		return ret;
+	clk_free(&clk);
 
 	/* enable power domain */
 	ret = power_domain_get(dev, &pwr_dom);