uboot-imx

apalis/colibri_imx7/pxa270/t20/t30/vf: integrate config block handling

With our common code in place actually make use of it across all our
modules.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>