SMI TX is different than other controller features in that it does not
necessarily imply any software changes; whether SMI TX is supported
may be simply a matter of hardware calibration. This change supports
using the same software on chips that do or do not support SMI TX
depending on calibration.
Signed-off-by: Wolfgang Puffitsch <wopu@demant.com>
Enable use of settings system in controller and introduce settings for
company_id and subversion_number.
Signed-off-by: Wolfgang Puffitsch <wopu@demant.com>