net: dsa: mv88e6xxx: rename chip header

The mv88e6xxx.h is meant to contains the chip structures and data.
Rename it to chip.h, as for other source/header pairs of the driver.

At the same time, ensure that relative header inclusions are separated
by a newline and sorted alphabetically.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h
index eb3ceae..5c1cd6d 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.h
+++ b/drivers/net/dsa/mv88e6xxx/serdes.h
@@ -14,7 +14,7 @@
 #ifndef _MV88E6XXX_SERDES_H
 #define _MV88E6XXX_SERDES_H
 
-#include "mv88e6xxx.h"
+#include "chip.h"
 
 #define MV88E6352_ADDR_SERDES		0x0f
 #define MV88E6352_SERDES_PAGE_FIBER	0x01