arm: pxa: clean-up include file order

Cleaning up order of include files by sorting them alphabetically
keeping in mind to leave common.h on top.

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
diff --git a/arch/arm/cpu/pxa/timer.c b/arch/arm/cpu/pxa/timer.c
index 11fefd5..7c25e67 100644
--- a/arch/arm/cpu/pxa/timer.c
+++ b/arch/arm/cpu/pxa/timer.c
@@ -6,8 +6,8 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <asm/io.h>
 #include <common.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;