usb: phy: samsung: Add support for USB 2.0 PHY on Exynos 4x12

This patch adds driver data for Exynos 4x12 USB 2.0 PHY.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/phy/phy-samsung-usb.h b/drivers/usb/phy/phy-samsung-usb.h
index 31e2ec3..585d12f 100644
--- a/drivers/usb/phy/phy-samsung-usb.h
+++ b/drivers/usb/phy/phy-samsung-usb.h
@@ -241,6 +241,7 @@
 enum samsung_cpu_type {
 	TYPE_S3C64XX,
 	TYPE_EXYNOS4210,
+	TYPE_EXYNOS4X12,
 	TYPE_EXYNOS5250,
 };