Use diag.sh version used for other targets supporting different leds
for the different boot states.
The existing led sequences should be the same as before.
Signed-off-by: Mathias Kresin <dev@kresin.me>
Rename the Widora neo by adding a flash size prefix. Move the common parts
into a dtsi to be prepare everything for upcomming support of the 32MB
version.
Migrate the Widora neo to the generic board detection as well.
Signed-off-by: Mathias Kresin <dev@kresin.me>