Add EHCI USB host controller to exynos4210.
Signed-off-by: NLiming Wang <walimisdev@gmail.com>
Signed-off-by: NAndreas Färber <andreas.faerber@web.de>
Reviewed-by: NIgor Mitsyanko <i.mitsyanko@samsung.com>
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>