port: call port_p2p_transition() when asCapable goes from false to true.

The port could have become master while asCapable == 0,
when asCapable becomes 1 call port_p2p_transition() so
that announce and sync TX timers are re-initialised.

Signed-off-by: Delio Brignoli <dbrignoli@audioscience.com>
port: set timebase information header flags for sync,fup and pdelay req,res,fup messages

Flags are set according to the current clock DS info.

Signed-off-by: Delio Brignoli <dbrignoli@audioscience.com>
Merge remote-tracking branch 'origin/asi1230-upstream-tracking' into asi1230-master