Fix issue with HDMI audio quality is poor.

Fix issue with HDMI audio quality is poor.

BZ: 33536

Remove the hardcoded fp and dpll values for HDMI clock, to fix the
issue with HDMI audio quality, being choppy. These values are
calculated by the driver.

Change-Id: I1c13473f3a8e4874600f3087fb755020842f5e92
Signed-off-by: Seema Pandit <seema.pandit@intel.com>
Reviewed-on: http://android.intel.com:8080/46455
Reviewed-by: Hu, Austin <austin.hu@intel.com>
Reviewed-by: Dai, Yu <yu.dai@intel.com>
Reviewed-by: Tong, BoX <box.tong@intel.com>
Tested-by: Tong, BoX <box.tong@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>