phy: omap: Depend on OMAP_OCP2SCP bus driver

The OMAP_USB2 and OMAP_PIPE3 PHY devices will not be
detected if the OMAP_OCP2SCP bus driver is not present.
Make them depend on it.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index fe8c009..2aead8b 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -47,6 +47,7 @@
 	depends on USB_PHY
 	select GENERIC_PHY
 	select OMAP_CONTROL_PHY
+	depends on OMAP_OCP2SCP
 	help
 	  Enable this to support the transceiver that is part of SOC. This
 	  driver takes care of all the PHY functionality apart from comparator.
@@ -58,6 +59,7 @@
 	depends on ARCH_OMAP2PLUS || COMPILE_TEST
 	select GENERIC_PHY
 	select OMAP_CONTROL_PHY
+	depends on OMAP_OCP2SCP
 	help
 	  Enable this to support the PIPE3 PHY that is part of TI SOCs. This
 	  driver takes care of all the PHY functionality apart from comparator.