arm: pdu001: Fix order of include files

Fix the order of include files according to U-Boot coding style.

Signed-off-by: Felix Brack <fb@ltec.ch>
diff --git a/board/eets/pdu001/mux.c b/board/eets/pdu001/mux.c
index f1d38e9..f0f9e26 100644
--- a/board/eets/pdu001/mux.c
+++ b/board/eets/pdu001/mux.c
@@ -8,11 +8,11 @@
  */
 
 #include <common.h>
+#include <i2c.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/mux.h>
 #include <asm/io.h>
-#include <i2c.h>
 #include "board.h"
 
 static struct module_pin_mux uart0_pin_mux[] = {