Enable API fields to count test cases and groups on a per-mach basis
Enable API fields to count test cases and groups on a per-mach basis

Enable different API fields that are required to be able to count test
cases and groups in different ways such as by job, device type and
mach value.

Signed-off-by: Guillaume Tucker <e7e20b7c30f19d4ca6b81319ef81bf200369d137@collabora.com>

kernelci/kernelci-backend,kernelci/kernelci-backend