DRAFT: [i.MX8M] [C25] add c25 board based on 4.x version
Added initial support for C25 Q7 module.
TODO:
- finish with strap configuration
- code cleanup
Other MRs:
- seco-base: clea-os/seco-base!97
- meta-seco-imx: clea-os/layers/seco/meta-seco-imx!281
- linux-seco-imx: linux-seco-imx!197
- imx-mkimage: clea-os/bsp/nxp/tools/imx-mkimage!54