The arm,mhu bindings and driver do not define interrupt-names, so drop
the property to fix warnings:
  arch/arm64/boot/dts/arm/juno-r2.dt.yaml: mhu@
2b1f0000: 'interrupt-names' does not match any of the regexes: 'pinctrl-[0-9]+'
Link: https://lore.kernel.org/r/20210820081733.83976-3-krzysztof.kozlowski@canonical.com
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
                reg = <0x0 0x2b1f0000 0x0 0x1000>;
                interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>,
                             <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
-               interrupt-names = "mhu_lpri_rx",
-                                 "mhu_hpri_rx";
                #mbox-cells = <1>;
                clocks = <&soc_refclk100mhz>;
                clock-names = "apb_pclk";