serial: men_z135_uart: Drop duplicated iotype assignment

The driver assigns same iotype twice. Drop one of them.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/14b71e1-2396-3d83-3a97-9582765d453@linux.intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>