Begin consolidation of of_device.h

This just moves the common stuff from the arch of_device.h files to
linux/of_device.h.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 7f233d7..6245f06 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -1,13 +1,13 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
 #include <linux/slab.h>
 
 #include <asm/errno.h>
-#include <asm/of_device.h>
 
 /**
  * of_match_node - Tell if an device_node has a matching of_match structure