spi: dw: Move interrupt.h to spi-dw.h who is user of it

The actual user of interrupt.h is spi-dw.h and not bus drivers.
Move header there.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200506153025.21441-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-dw-mmio.c

@@ -7,7 +7,6 @@
 
 #include <linux/clk.h>
 #include <linux/err.h>
-#include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>

drivers/spi/spi-dw-pci.c

@@ -5,7 +5,6 @@
  * Copyright (c) 2009, 2014 Intel Corporation.
  */
 
-#include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>

drivers/spi/spi-dw.h

@@ -2,6 +2,7 @@
 #ifndef DW_SPI_HEADER_H
 #define DW_SPI_HEADER_H
 
+#include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/scatterlist.h>