add build kerneldeb -- modify dts

hc

2023-10-25 6c2073b7aa40e29d0eca7d571dd7bc590c7ecaa7

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config BR2_PACKAGE_PPS_TOOLS
    bool "pps-tools"
    help
      Pulse per second tools. Provides timepps.h and other PPS
      utilities.
 
      https://github.com/ago/pps-tools/