arm64: dts: rockchip: add missing interrupt-names for rk356x vdpu

The video-codec@fdea0400 was missing the interrupt-names property that is
part of the binding. Add it.

Fixes: 944be6f ("arm64: dts: rockchip: Add VPU support for RK3568/RK3566")
Cc: Piotr Oniszczuk <piotr.oniszczuk@gmail.com>
Acked-by: Uwe Kleine-König <ukleinek@debian.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20240227173526.710056-1-heiko@sntech.de

arch/arm64/boot/dts/rockchip/rk356x.dtsi

@@ -597,6 +597,7 @@
 		compatible = "rockchip,rk3568-vpu";
 		reg = <0x0 0xfdea0000 0x0 0x800>;
 		interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "vdpu";
 		clocks = <&cru ACLK_VPU>, <&cru HCLK_VPU>;
 		clock-names = "aclk", "hclk";
 		iommus = <&vdpu_mmu>;