staging: unisys: fix CamelCase in epilog functions

Rename the CamelCase parameters:

busNo => bus_no
devNo => dev_no
needResponse => need_response

And the local variables

pBusInfo => bus_info
pDevInfo => dev_info

Update all references to use the corrected names.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>