ARM: dts: Add usb2phy support on exynos5420
ARM: dts: Add usb2phy support on exynos5420

Add required device node for usb2phy to let enable USB 2.0
support.

Signed-off-by: Vivek Gautam <5c6bd423a2e3d98ebdccbc25654ed1942ee0af9f@samsung.com>
Signed-off-by: Vikas Sajjan <e4e4e356810ed4fa110eede1ef43bb4cf9f752c5@samsung.com>
Signed-off-by: Kukjin Kim <3fc711f4e08bc570a586748633ff7c76d0e1e253@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs