arm64: mvebu: armada37xx: add pinctrl definition

Start to populate the device tree of the Armada 37xx with the pincontrol
configuration used on the board providing a dts.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Konstantin Porotchkin <kostap@marvell.com>
Cc: Nadav Haklai <nadavh@marvell.com>
2 files changed