If link type is HDA, NHLT blob is null, as NHLT defines non HDA
links only.  So we should ignore blob query for HDA links.
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>