MAINTAINERS: Add entry for Mobileye MIPS SoCs

Add Vlad, Théo and myself as co-maintainers for the Mobileye MIPS
SoCs.

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