drivers/phy: marvell: Add support for the slave CP COMPHY device

drivers/phy: marvell: Add support for the slave CP COMPHY device

With the support for the Armada 8k, a 2nd COMPHY controller now needs
to get supported from the CP110 slave controller. This patch adds support
for this 2nd contoller in the COMPHY driver.

Signed-off-by: Stefan Roese <[email protected]>
Cc: Nadav Haklai <[email protected]>
Cc: Neta Zur Hershkovits <[email protected]>
Cc: Kostya Porotchkin <[email protected]>
Cc: Omri Itach <[email protected]>
Cc: Igal Liberman <[email protected]>
Cc: Haim Boot <[email protected]>
Cc: Hanna Hawa <[email protected]>