add build kerneldeb -- modify dts

hc

2023-10-25 6c2073b7aa40e29d0eca7d571dd7bc590c7ecaa7

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config BR2_PACKAGE_LIBNET
    bool "libnet"
    help
      libnet provides a portable framework for low-level network
      packet construction.
 
      http://sourceforge.net/projects/libnet-dev