phy: Add support for S5PV210 to the Exynos USB 2.0 PHY driver

Add support for the Samsung's S5PV210 SoC to the Exynos USB 2.0 PHY driver.

Signed-off-by: Mateusz Krawczuk <m.krawczuk@partner.samsung.com>
[k.debski@samsung.com: cleanup and commit description]
[k.debski@samsung.com: make changes accordingly to the mailing list
comments]
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 64b98d2..b0525e0 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -132,6 +132,16 @@
 	  particular SoCs has to be enabled in addition to this driver. Number
 	  and type of supported phys depends on the SoC.
 
+config PHY_S5PV210_USB2
+	bool "Support for S5PV210"
+	depends on PHY_SAMSUNG_USB2
+	depends on ARCH_S5PV210
+	help
+	  Enable USB PHY support for S5PV210. This option requires that Samsung
+	  USB 2.0 PHY driver is enabled and means that support for this
+	  particular SoC is compiled in the driver. In case of S5PV210 two phys
+	  are available - device and host.
+
 config PHY_EXYNOS4210_USB2
 	bool "Support for Exynos 4210"
 	depends on PHY_SAMSUNG_USB2