toradex: tdx-cfg-block: add new 8gb apalis-imx8

0067: Apalis iMX8 QuadMax 8GB Wi-Fi / BT IT

This module is identical to its 4GB counterpart
0037: Apalis iMX8 QuadMax 4GB Wi-Fi / BT IT
except for the RAM size.

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>