add build kerneldeb -- modify dts

hc

2023-10-25 6c2073b7aa40e29d0eca7d571dd7bc590c7ecaa7

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# from https://www.kernel.org/pub/software/utils/dtc/sha256sums.asc
sha256 470731d5c015b160d26a96645dbb1c7337d6e7b8c98244612002b66bedf6cffb  dtc-1.4.4.tar.xz