staging: vt6656: iwctl: fix up spacing around operators

A few cases were missed in my previous cleanup, this takes care of the
last cases of missing space (or too much space (as in a newline))
around operators ('=', '==', ',', '<').

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>