uboot-phytec

TEE-520 core: imx: Set TZASC region 0 to non-sec

As it is done in ATF for i.MX 8 SoC.
Enable and set region 0 attribute to be allow secure
and non-secure transaction.

Signed-off-by: Silvano di Ninno <silvano.dininno@nxp.com>
Reviewed-by: Ye Li <ye.li@nxp.com>