ptp: ptp_clockmatrix: Add support for FW 5.2 (8A34005)

Backport of 794c3dff

 from linux-stable.

So far we don't need to support new 5.2 functions but different register
addresses

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>