This adds SoC and board configs to support the dc233c core
that is available on QEMU. This core has more features than
sample_controller, such as MMU support.
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This is mainly to reduce clutter in `subsys/logging`, but also to make
backend management slightly easier.
Signed-off-by: Christopher Friedt <cfriedt@fb.com>