Backport HANDSHAKE and TRAINING notification from ltq-vdsl-app. It unifies the dsl led blinking pattern accross all subtargets and allows to get the current line status from the dsl led. Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 37198