BCM2712 DT was producing dtbinding validation errors of

interrupt-controller@7cd00000: 'interrupt-controller' is a required
property
interrupt-controller@7cd00000: '#interrupt-cells' is a required property

Fix them by adding the required flags.

Signed-off-by: Dave Stevenson <dave.steven...@raspberrypi.com>
---
 arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi 
b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
index f42fad2d8b37..0ba076ab9caf 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
@@ -224,6 +224,8 @@ mailbox: mailbox@7c013880 {
                local_intc: interrupt-controller@7cd00000 {
                        compatible = "brcm,bcm2836-l1-intc";
                        reg = <0x7cd00000 0x100>;
+                       interrupt-controller;
+                       #interrupt-cells = <2>;
                };
 
                uart10: serial@7d001000 {

-- 
2.34.1

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