phy: samsung: Fix missing of_node_put() in exynos_sata_phy_probe

The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.

Fixes: bcff4cba41bc ("PHY: Exynos: Add Exynos5250 SATA PHY driver")
Signed-off-by: Miaoqian Lin <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/samsung/phy-exynos5250-sata.c

···
 		return -EINVAL;
 
 	sata_phy->client = of_find_i2c_device_by_node(node);
+	of_node_put(node);
 	if (!sata_phy->client)
 		return -EPROBE_DEFER;