module: Add NOARG flag for ops with param_set_bool_enable_only() set function

The ops that uses param_set_bool_enable_only() as its set function can
easily handle being used without an argument. There's no reason to
fail the loading of the module if it does not have one.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>