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: NJeeja KP <jeeja.kp@intel.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>