dmaengine: acpi: Clean up headers

There is a few things done:
- include only the headers we are direct user of
- when pointer is in use, provide a forward declaration
- add missing headers
- sort alphabetically

Signed-off-by: Andy Shevchenko <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/acpi-dma.c

···
  *	    Mika Westerberg <[e-mail]>
  */
 
+#include <linux/acpi.h>
+#include <linux/acpi_dma.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
 #include <linux/err.h>
-#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/export.h>
+#include <linux/ioport.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/mutex.h>
-#include <linux/slab.h>
-#include <linux/ioport.h>
-#include <linux/acpi.h>
-#include <linux/acpi_dma.h>
 #include <linux/property.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/types.h>
 
 static LIST_HEAD(acpi_dma_list);
 static DEFINE_MUTEX(acpi_dma_lock);

include/linux/acpi_dma.h

···
 #ifndef __LINUX_ACPI_DMA_H
 #define __LINUX_ACPI_DMA_H
 
-#include <linux/list.h>
-#include <linux/device.h>
 #include <linux/err.h>
 #include <linux/dmaengine.h>
+#include <linux/types.h>
+
+struct device;
 
 /**
  * struct acpi_dma_spec - slave device DMA resources