Relocate the structures adf_fw_objs and adf_fw_config from the file
adf_4xxx_hw_data.c to the newly created adf_fw_config.h.

These structures will be used by new device drivers.

This does not introduce any functional change.
Signed-off-by: Jie Wang <jie.wang@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>