ASoC: SOF: ipc3-dtrace: Move dtrace related variables local from sof_dev

The variables and structs for DMA trace can be moved local to ipc3-dtrace.c
and the storage can be allocated dynamically, stored behind the
fw_trace_data pointer.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Paul Olaru <paul.olaru@oss.nxp.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220516104711.26115-9-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/sof-priv.h

@@ -461,12 +461,6 @@ struct snd_sof_ipc {
 	const struct sof_ipc_ops *ops;
 };
 
-enum sof_dtrace_state {
-	SOF_DTRACE_DISABLED,
-	SOF_DTRACE_STOPPED,
-	SOF_DTRACE_ENABLED,
-};
-
 /*
  * SOF Device Level.
  */
@@ -551,16 +545,6 @@ struct snd_sof_dev {
 	bool fw_trace_is_supported; /* set with Kconfig or module parameter */
 	void *fw_trace_data; /* private data used by firmware tracing implementation */
 
-	/* DMA for Trace */
-	struct snd_dma_buffer dmatb;
-	struct snd_dma_buffer dmatp;
-	int dma_trace_pages;
-	wait_queue_head_t trace_sleep;
-	u32 host_offset;
-	bool dtrace_error;
-	bool dtrace_draining;
-	enum sof_dtrace_state dtrace_state;
-
 	bool msi_enabled;
 
 	/* DSP core context */