ASoC: mchp-spdiftx: remove references to mchp_i2s_caps

Remove references to struct mchp_i2s_caps as they are not used.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220727090814.2446111-3-claudiu.beznea@microchip.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/atmel/mchp-spdiftx.c

@@ -196,7 +196,6 @@ struct mchp_spdiftx_dev {
 	struct clk				*pclk;
 	struct clk				*gclk;
 	unsigned int				fmt;
-	const struct mchp_i2s_caps		*caps;
 	int					gclk_enabled:1;
 };
 
@@ -766,8 +765,6 @@ static const struct of_device_id mchp_spdiftx_dt_ids[] = {
 MODULE_DEVICE_TABLE(of, mchp_spdiftx_dt_ids);
 static int mchp_spdiftx_probe(struct platform_device *pdev)
 {
-	struct device_node *np = pdev->dev.of_node;
-	const struct of_device_id *match;
 	struct mchp_spdiftx_dev *dev;
 	struct resource *mem;
 	struct regmap *regmap;
@@ -781,11 +778,6 @@ static int mchp_spdiftx_probe(struct platform_device *pdev)
 	if (!dev)
 		return -ENOMEM;
 
-	/* Get hardware capabilities. */
-	match = of_match_node(mchp_spdiftx_dt_ids, np);
-	if (match)
-		dev->caps = match->data;
-
 	/* Map I/O registers. */
 	base = devm_platform_get_and_ioremap_resource(pdev, 0, &mem);
 	if (IS_ERR(base))