power: reset: ocelot: Add support 2 other MIPS based SoCs

This adds reset support for Luton and Jaguar2 in the ocelot-reset
driver. They are both MIPS based belonging to the Vcore III family.

Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>