ASoC: mchp-spdifrx: use single tab indent for structure

Use single tab indentation for mchp_spdifrx_mixer_control structure.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220725130925.1781791-3-claudiu.beznea@microchip.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/atmel/mchp-spdifrx.c

@@ -221,11 +221,11 @@ struct mchp_spdifrx_user_data {
 };
 
 struct mchp_spdifrx_mixer_control {
-		struct mchp_spdifrx_ch_stat ch_stat[SPDIFRX_CHANNELS];
-		struct mchp_spdifrx_user_data user_data[SPDIFRX_CHANNELS];
-		bool ulock;
-		bool badf;
-		bool signal;
+	struct mchp_spdifrx_ch_stat ch_stat[SPDIFRX_CHANNELS];
+	struct mchp_spdifrx_user_data user_data[SPDIFRX_CHANNELS];
+	bool ulock;
+	bool badf;
+	bool signal;
 };
 
 struct mchp_spdifrx_dev {