staging: unisys: refactor info_debugfs_read()

Fix the function declaration so the type is on the same line as the name,
and fix the CamelCase local variable name:

TotalBytes => total_bytes

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