arm64: marvell: enable AP806 and CP110 syscon driver

The Marvell Armada 7K/8K support needs the AP806 and CP110 syscon
drivers to be enabled, as they provide amongst other things, the main
clocks for those platforms.

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