usb: phy: fixed comment typo

Fixed a comment typo in drivers/usb/phy/of.c

Signed-off-by: Mickael Maison <mickael.maison@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/phy/of.c b/drivers/usb/phy/of.c
index 7ea0154..66ffa82 100644
--- a/drivers/usb/phy/of.c
+++ b/drivers/usb/phy/of.c
@@ -27,7 +27,7 @@
  * @np:	Pointer to the given device_node
  *
  * The function gets phy interface string from property 'phy_type',
- * and returns the correspondig enum usb_phy_interface
+ * and returns the corresponding enum usb_phy_interface
  */
 enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
 {