staging: unisys: Move files out of common-spar

Move last three files out of common-spar

iochannel.h --> include (will be used by visorhba and visornic)
version.h --> moved to include
controlvmcompletionstatus.h --> moved to visorbus, part of
		controlvmchannel.h
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>