staging: unisys: fix comments for controlvmchannel.h

This patch simply fixes all trailing */ by modifying the comments
structures while trying to reduce the total number of lines

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>