board: phycore-imx93: env: Add common RAUC boot logic

Add a common RAUC boot logic environment and make use of it in the
i.MX93 environment. The RAUC boot logic is deactivated by default and
can be activated by setting "doraucboot" to "1".

Signed-off-by: Martin Schwan <m.schwan@phytec.de>
Reviewed-by: Leonard Anderweit <l.anderweit@phytec.de>
Signed-off-by: Primoz Fiser <primoz.fiser@norik.com>
1 file changed