board: amlogic: jethubj100: update docs

Improove documentation, add new revision.

Signed-off-by: Viacheslav Bocharov <adeep@lexina.in>
Link: https://lore.kernel.org/r/20240227065551.580199-4-adeep@lexina.in
[narmstrong: squashed https://lore.kernel.org/all/20240326082004.1651782-1-adeep@lexina.in/]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
1 file changed