core: driver: rework the SC API to make compatible with the new MU driver

Rework the SC API to leverage the common MU driver.
This re-work implies the deletion of duplicate functions that are now
im

core: driver: rework the SC API to make compatible with the new MU driver

Rework the SC API to leverage the common MU driver.
This re-work implies the deletion of duplicate functions that are now
implemented in the MU driver instead

Signed-off-by: Clement Faure <clement.faure@nxp.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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drivers: imx: add SC driver for i.MX8QM/QXP

Add the secure controller driver that implements:
- SCFW API
- SCU IPC functions
- SCU secure IPC initialization
The SCU driver relies on the MU driver

drivers: imx: add SC driver for i.MX8QM/QXP

Add the secure controller driver that implements:
- SCFW API
- SCU IPC functions
- SCU secure IPC initialization
The SCU driver relies on the MU driver to communicate with the security
controller.

Signed-off-by: Remi Koman <remi.koman@nxp.com>
Signed-off-by: Clement Faure <clement.faure@nxp.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>

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