Add code to detect if DCB is in IEEE or CEE mode. Without this the code
will always report as IEEE mode which is incorrect and confuses the
user.
Signed-off-by: NAvinash Dayanand <avinash.dayanand@intel.com>
Signed-off-by: NScott Register <scottx.register@intel.com>
Tested-by: NAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>