staging: vt6656: iwctl: Cleanup spacing around operators (mostly)

This cleans up spacing around operators according to CodingStyle.
(A few deletions of empty lines that were missed by a previous patch are also included.
 A few bits and pieces broken on multiple lines were put one one line as well).
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>