staging: unisys: remove GUEST_PHYSICAL_ADDRESS from commontypes.h

The typedef for GUEST_PHYSICAL address is only used in two files, so remove it
from commontypes.h and add it to visorchipset/file.c and controlvmchannel.h.

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