ARM: dts: vf610-zii-dev: Add ZII development board.

This commit adds support for Rev. B of a Zodiac Inflight Innovations
development board, mainly intended for DSA and ARINC 429 development
work.

Signed-off-by: Cory Tusar <cory.tusar@pid1solutions.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>