ERROR: OE-core's config sanity checker detected a potential misconfiguration.
Either fix the cause of this error or at your own risk disable the checker (see sanity.conf).
Following is the list of potential problems / advisories:
MACHINE=cl-som-imx7 is invalid. Please set a valid MACHINE in your local.conf, environment or other configuration file.
Looks like the cl-som-imx7.conf is missing: