imx8mq: disable default rdc and csu configurations to fix boot block

  Enabling the default csu configuration lead to block boot on
 testing boards.

Signed-off-by: Aymen Sghaier <aymen.sghaier@nxp.com>
(cherry picked from commit f4ec82775b77039912e0b369e808a49bfad7b9c4)
1 file changed