Added the device tree file, refer to the configuration of IMX390, configure an IMX490, (the file path is also referred to IMX390), I need a new device

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Hello blogger, please ask me the question: after adding my dtsi device tree header file to the system device tree (main device tree) used by the kernel, use that command to compile all the device number files in the folder, update them all, and then I replace the dtb file I need??