ARM64: dts: marvell: add NAND support on the CP110

The NAND controller used in A7K/A8K is present on the CP110. It is
compatible with the pxa-nand driver.

However, due to the limiation of the pins available this controller is
only usable on the CPM for A7K and on the CPS for A8K.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>