staging: unisys: visorbus: visorbus_private rename 'local' var to 'dest'

This patch renames the poorly named 'local' var to 'dest' in
the visorbus_private.h file

Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>