support uboot change LCD parameter

hc

2023-11-07 2a9a9d4f6c07f2f23b663fe5fbeac1168a5d1029

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dscr_default_test
dscr_explicit_test
dscr_inherit_exec_test
dscr_inherit_test
dscr_sysfs_test
dscr_sysfs_thread_test
dscr_user_test