teamd:state:used json_true/false instead of json_boolean

Signed-off-by: Jan Tluka <jtluka@redhat.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
teamd: lacp: do not set state disable if driver does not report speed and duplex

Signed-off-by: Jiri Pirko <jiri@resnulli.us>