ASoC: intel: remove unused variable

The variable cmd_id is only assigned some value and is never used.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/atom/sst/sst_ipc.c

@@ -318,7 +318,6 @@ void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx,
 	union ipc_header_high msg_high;
 	u32 msg_low;
 	struct ipc_dsp_hdr *dsp_hdr;
-	unsigned int cmd_id;
 
 	msg_high = msg->mrfld_header.p.header_high;
 	msg_low = msg->mrfld_header.p.header_low_payload;
@@ -357,7 +356,6 @@ void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx,
 			return;
 		/* Copy command id so that we can use to put sst to reset */
 		dsp_hdr = (struct ipc_dsp_hdr *)data;
-		cmd_id = dsp_hdr->cmd_id;
 		dev_dbg(sst_drv_ctx->dev, "cmd_id %d\n", dsp_hdr->cmd_id);
 		if (sst_wake_up_block(sst_drv_ctx, msg_high.part.result,
 				msg_high.part.drv_id,