net: dsa: Include platform_data header file

b53 and mv88e6xxx support passing platform_data, and now that we have
split the platform_data portion from the main net/dsa.h header file,
include only the relevant parts.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/platform_data/b53.h

@@ -20,7 +20,7 @@
 #define __B53_H
 
 #include <linux/kernel.h>
-#include <net/dsa.h>
+#include <linux/platform_data/dsa.h>
 
 struct b53_platform_data {
 	/* Must be first such that dsa_register_switch() can access it */

include/linux/platform_data/mv88e6xxx.h

@@ -2,7 +2,7 @@
 #ifndef __DSA_MV88E6XXX_H
 #define __DSA_MV88E6XXX_H
 
-#include <net/dsa.h>
+#include <linux/platform_data/dsa.h>
 
 struct dsa_mv88e6xxx_pdata {
 	/* Must be first, such that dsa_register_switch() can access this