phy: Fix the cacography in phy-exynos5250-usb2.c

The word 'swtich' is wrong, so fix it.

Signed-off-by: Liu Jing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: Liu Jing

drivers/phy/samsung/phy-exynos5250-usb2.c

@@ -121,7 +121,7 @@
 #define EXYNOS_5420_USB_ISOL_HOST_OFFSET	0x70C
 #define EXYNOS_5250_USB_ISOL_ENABLE		BIT(0)
 
-/* Mode swtich register */
+/* Mode switch register */
 #define EXYNOS_5250_MODE_SWITCH_OFFSET		0x230
 #define EXYNOS_5250_MODE_SWITCH_MASK		1
 #define EXYNOS_5250_MODE_SWITCH_DEVICE		0