EXYNOS4 has 2 phys for usb host and usb device. This patch supports to
control usb host phy of EXYNOS4.
Signed-off-by: NJoonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

This patch adds usb ehci device definition for samsung s5p cpus.
Signed-off-by: NJoonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>