sh: Defer to asm-generic/device.h.

Now that the hwblk use cases have been ripped out, we can revert to
asm-generic/device.h for the device/platform device arch data structures.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/include/asm/device.h

@@ -3,9 +3,10 @@
  *
  * This file is released under the GPLv2
  */
+#ifndef __ASM_SH_DEVICE_H
+#define __ASM_SH_DEVICE_H
 
-struct dev_archdata {
-};
+#include <asm-generic/device.h>
 
 struct platform_device;
 /* allocate contiguous memory chunk and fill in struct resource */
@@ -14,5 +15,4 @@ int platform_resource_setup_memory(struct platform_device *pdev,
 
 void plat_early_device_setup(void);
 
-struct pdev_archdata {
-};
+#endif /* __ASM_SH_DEVICE_H */