ARM64: dts: marvell: enable USB host on Armada-7040-DB

Add I2C expander and USB host PHY (host 0 and host 1) to enable
USB VBUS on USB ports of type A on Armada-7040-DB.

Signed-off-by: Hanna Hawa <hannah@marvell.com>
Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>