MIPS: mobileye: dts: eyeq6h: Enable cluster support

The CM3.5 device used in EyeQ6H SoCs incorrectly reports the status
for Hardware Cache Initialization (HCI). This commit adds the
compatible string for the CM to acknowledge this issue, which enables
the use of the second CPU cluster.

Signed-off-by: Gregory CLEMENT <[e-mail]>
Signed-off-by: Thomas Bogendoerfer <[e-mail]>

arch/mips/boot/dts/mobileye/eyeq6h.dtsi

···
 		#interrupt-cells = <1>;
 	};
 
+	coherency-manager {
+		compatible = "mobileye,eyeq6-cm";
+	};
+
 	xtal: clock-30000000 {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;