staging: unisys: visorbus: visorchannel: use 80 characters for comments

In the file visorhcannel.c use all 80 characters for comments instead of
shortening them.

Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>