firmware: cs_dsp: tidy includes in cs_dsp.c and cs_dsp.h

This patch removes unused included header files and moves others into
cs_dsp.h to ensure that types referenced in the header file are properly
described to prevent compiler warnings.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211115120215.56824-1-simont@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/firmware/cirrus/cs_dsp.c

@@ -12,16 +12,10 @@
 #include <linux/ctype.h>
 #include <linux/debugfs.h>
 #include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/firmware.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
-#include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
-#include <linux/workqueue.h>
 
 #include <linux/firmware/cirrus/cs_dsp.h>
 #include <linux/firmware/cirrus/wmfw.h>

include/linux/firmware/cirrus/cs_dsp.h

@@ -11,6 +11,11 @@
 #ifndef __CS_DSP_H
 #define __CS_DSP_H
 
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <linux/list.h>
+#include <linux/regmap.h>
+
 #define CS_ADSP2_REGION_0 BIT(0)
 #define CS_ADSP2_REGION_1 BIT(1)
 #define CS_ADSP2_REGION_2 BIT(2)