Use diag.sh version used for apm821xx, ipq40xx and ipq806x, which
supports different leds for the different boot states.
The existing led sequences should be the same as before.
Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
[reword commit message]
Signed-off-by: Mathias Kresin <dev@kresin.me>