block: deadline: initial flash storage tweaks.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
block: deadline: hardcode magic values from the usual suspects.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
block: deadline: fix magic values.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>