sserial: show remote sw revision

Signed-off-by: Michael Geszkiewicz <micges@wp.pl>
sserial: show remote board type based on unit number

Signed-off-by: Michael Geszkiewicz <micges@wp.pl>
sserial: wait for reset to finish becouse sslbp returns bogus data when accessing local ram while resetting

Signed-off-by: Michael Geszkiewicz <micges@wp.pl>
sserial: show verbose inforamations in more compact way

Signed-off-by: Michael Geszkiewicz <micges@wp.pl>