[PATCH] board: turris: Initialize serial# env

[Marek Behún]

On Sat, 27 Aug 2022 20:06:30 +0200
Pali Rohár <pali at kernel.org> wrote:

> Store serial number from atsha cryptochip into the serial# env variable.
> U-Boot automatically puts content of this variable into the root device
> tree property serial-number when booting Linux kernel. Refactor turris
> atsha code and from turris_atsha_otp_get_serial_number() function returns
> directly string suitable for printing or storing into device tree. Because
> during different boot stages is env storage read-only, it is not possible
> to always store serial number into env storage. So introduce a new function
> turris_atsha_otp_init_serial_number() which is called at later stage and
> which ensures that serial number is correctly stored into env.
> 
> Signed-off-by: Pali Rohár <pali at kernel.org>

Reviewed-by: Marek Behún <kabel at kernel.org>