staging: unisys: remove visorchipset_umode.h

removes visorchipset_umode.h and pass functionality to
visorchipset.h

Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>