usb: phy: fixed comment typo

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

Signed-off-by: Mickael Maison <[e-mail]>
Signed-off-by: Felipe Balbi <[e-mail]>

drivers/usb/phy/of.c

···
  * @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)
 {