ARM: clps711x: edb7211: Remove excess layer to calling clps711x_devices_init()

clps711x_devices_init() can be used directly in ".machine_init"
without any intermediate function.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Olof Johansson <olof@lixom.net>