ptp: ptp_clockmatrix: Remove idtcm_enable_tod_sync()

Backport of c70aae13 from linux-stable.

Not need since TCS firmware file will configure it properlly.

Signed-off-by: Min Li <min.li.xe@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Beniamin Sandu <beniamin.sandu@windriver.com>
Signed-off-by: Ruiqiang Hao <Ruiqiang.Hao@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>