arm64: dts: marvell: add comphy nodes on cp110 master and slave

commit 910d1bf2c68fa1d7dcde0316cb91f62758407e8d upstream.

This patch describes the comphy available in the cp110 master and slave.
This comphy provides serdes lanes used by various controllers such as
the network one.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>