MIPS: mobileye: eyeq5: add two GPIO bank nodes

This platform uses the same GPIO controller as Nomadik. It however has
its own pinconf & pinmux controller. EyeQ5 is the first platform to use
gpio-nomadik independently from pinctrl-nomadik.

Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>