ASoC: SOF: imx: Provide debugfs_add_region_item ops for core

Set the generic iomem callback for debugfs_add_region_item to avoid
regression when the core switches to use the generic interface for
the regions.
Signed-off-by: NPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: NDaniel Baluta <daniel.baluta@gmail.com>
Reviewed-by: NRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: NGuennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20210915122116.18317-10-peter.ujfalusi@linux.intel.comSigned-off-by: NMark Brown <broonie@kernel.org>

sound/soc/sof/imx/imx8.c

@@ -436,6 +436,7 @@ struct snd_sof_dsp_ops sof_imx8_ops = {
 
 	/* Debug information */
 	.dbg_dump = imx8_dump,
+	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
 
 	/* Firmware ops */
 	.arch_ops = &sof_xtensa_arch_ops,
@@ -482,6 +483,7 @@ struct snd_sof_dsp_ops sof_imx8x_ops = {
 
 	/* Debug information */
 	.dbg_dump = imx8_dump,
+	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
 
 	/* Firmware ops */
 	.arch_ops = &sof_xtensa_arch_ops,

sound/soc/sof/imx/imx8m.c

@@ -288,6 +288,7 @@ struct snd_sof_dsp_ops sof_imx8m_ops = {
 
 	/* Debug information */
 	.dbg_dump = imx8_dump,
+	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
 
 	/* Firmware ops */
 	.arch_ops = &sof_xtensa_arch_ops,