staging: unisys: include: fixed iochannel.h comments

The purpose of this patch is to add style consistency and beautify the
entire file.

Grammar:
Uppercased beginning of new sentences/paragraphs
Missing ' and .
Fixed several comments using prefix phrase "as is in" to "as in"
Standard Grammar

Comments:
Fixed comments to follow the multiline styling
All comments are now either same line or above variable/definitions
Removed nested slash-star comments
Removed a random comment left by accident
Aligned star comments
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>