ASoC: Remove a unused variables from i.MX FIQ runtime data

Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
Acked-by: NLiam Girdwood <lrg@slimlogic.co.uk>

sound/soc/imx/imx-pcm-fiq.c

@@ -35,12 +35,8 @@
 struct imx_pcm_runtime_data {
 	int period;
 	int periods;
-	unsigned long dma_addr;
-	int dma;
 	unsigned long offset;
 	unsigned long size;
-	unsigned long period_cnt;
-	void *buf;
 	struct timer_list timer;
 	int period_time;
 };