phy: Add a new driver for OMAP's USB2 PHYs

This drivers supports the USB2 PHY found on omap5 and dra7 SOCs.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 14d82b9..3921e39 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -155,4 +155,13 @@
 
 	  This PHY is found on qualcomm dragonboard410c development board.
 
+config OMAP_USB2_PHY
+	bool "Support OMAP's USB2 PHY"
+	depends on PHY
+	depends on SYSCON
+	help
+	  Support for the OMAP's USB2 PHY.
+
+	  This PHY is found on OMAP devices supporting USB2.
+
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