Add some documentation for this command. Signed-off-by: Simon Glass <sjg at chromium.org> --- doc/usage/acpi.rst | 235 ++++++++++++++++++++++++++++++++++++++++++++ doc/usage/index.rst | 1 + 2 files changed, 236 insertions(+) create mode 100644 doc/usage/acpi.rst Applied to u-boot-dm, thanks!