Revert "ASoC: SOF: Intel: hda-loader: clear the IPC ack bit after FW_PURGE done"

This reverts commit 0e1a961.

Author: plbossart

sound/soc/sof/intel/hda-loader.c

@@ -131,12 +131,6 @@ static int cl_dsp_init(struct snd_sof_dev *sdev, const void *fwdata,
 		goto err;
 	}
 
-	/* set DONE bit to clear the reply IPC message */
-	snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR,
-				       chip->ipc_ack,
-				       chip->ipc_ack_mask,
-				       chip->ipc_ack_mask);
-
 	/* step 5: power down corex */
 	ret = hda_dsp_core_power_down(sdev,
 				  chip->cores_mask & ~(HDA_DSP_CORE_MASK(0)));