amlogic: Fix includes order

As part of the code refactoring fix the order of the include files
across all the source files.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: Ice72f687cc26ee881a9051168149467688100cfb
diff --git a/plat/amlogic/gxbb/gxbb_bl31_setup.c b/plat/amlogic/gxbb/gxbb_bl31_setup.c
index 6d6b2ad..cc7a1c4 100644
--- a/plat/amlogic/gxbb/gxbb_bl31_setup.c
+++ b/plat/amlogic/gxbb/gxbb_bl31_setup.c
@@ -5,14 +5,12 @@
  */
 
 #include <assert.h>
-
-#include <platform_def.h>
-
 #include <common/bl_common.h>
 #include <common/interrupt_props.h>
 #include <drivers/arm/gicv2.h>
 #include <lib/xlat_tables/xlat_mmu_helpers.h>
 #include <plat/common/platform.h>
+#include <platform_def.h>
 
 #include "aml_private.h"