Add the Linux PTP Project package.
http://linuxptp.sourceforge.net/
The SysV and systemd init scripts start the daemon in slave-only mode on eth0
and synchronize the system clock to PTP.
Signed-off-by: Petr Kulhavy <brain@jikos.cz>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
