staging: vt6656: removed space related checkpatch warnings

Removed spaces around operators where it was not required
as per coding style
Added spaces around operators where it was necessary as
per coding style

Signed-off-by: Nandini Hanumanthagowda <nandu.hgowda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>