staging: unisys: include: renamed structure spar_io_channel_protocol in...

staging: unisys: include: renamed structure spar_io_channel_protocol in iochannel.h to match driver namespace

Renamed structure spar_io_channel_protocol to visor_io_channel and
changed "visor bus" to "visorbus" in a comment in visornic_main.c
and visorhba_main.c.

Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>