dmaengine: sdxi: device: Drop unneeded includes

Signed-off-by: Nathan Lynch <nathan.lynch@amd.com>

Author: nathanlynch

drivers/dma/sdxi/device.c

@@ -14,7 +14,6 @@
 #include <linux/log2.h>
 #include <linux/slab.h>
 #include <linux/xarray.h>
-#include <asm/mmu.h>
 
 #include "context.h"
 #include "dma.h"

drivers/dma/sdxi/sdxi.h

@@ -12,14 +12,11 @@
 #include <linux/compiler_types.h>
 #include <linux/dev_printk.h>
 #include <linux/dma-mapping.h>
-#include <linux/dmaengine.h>
 #include <linux/idr.h>
 #include <linux/io-64-nonatomic-lo-hi.h>
-#include <linux/module.h>
 #include <linux/types.h>
 #include <linux/xarray.h>
 
-#include "hw.h"
 #include "mmio.h"
 
 #define SDXI_DRV_DESC		"SDXI driver"