support uboot change LCD parameter

hc

2023-11-07 2a9a9d4f6c07f2f23b663fe5fbeac1168a5d1029

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# Locally computed:
sha256  7e6636e400856984c4405ce7bd0843aaa3329fa3efd20c58df8400a9eaa35f09  empty-0.6.20b.tgz