Draft: [CONFIGS][C25] Add configuration files for Embedded and Things flavors
Added initial support for C25 Q7 module.
Other MRs:
- meta-seco-imx: clea-os/layers/seco/meta-seco-imx!281
- u-boot-seco-imx:clea-os/bsp/nxp/u-boot-seco-imx!159
- linux-seco-imx: clea-os/bsp/nxp/linux-seco-imx!197
- imx-mkimage: clea-os/bsp/nxp/tools/imx-mkimage!54