Fix order of remaining platform #includes

This fix modifies the order of system includes to meet the ARM TF coding
standard. There are some exceptions to this change in order to retain
header groupings and where there are headers within #if statements.

Change-Id: Ib5b668c992d817cc860e97b29e16ef106d17e404
Signed-off-by: Isla Mitchell <isla.mitchell@arm.com>
diff --git a/plat/mediatek/mt6795/drivers/timer/mt_cpuxgpt.c b/plat/mediatek/mt6795/drivers/timer/mt_cpuxgpt.c
index 1f64558..b357972 100644
--- a/plat/mediatek/mt6795/drivers/timer/mt_cpuxgpt.c
+++ b/plat/mediatek/mt6795/drivers/timer/mt_cpuxgpt.c
@@ -4,13 +4,13 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#include <stdint.h>
+
 #include <arch_helpers.h>
+#include <debug.h>
 #include <mmio.h>
 #include <mt_cpuxgpt.h>
-#include <stdint.h>
 #include <platform.h>
-#include <debug.h>
+#include <stdint.h>
 #define CPUXGPT_BASE	0x10200000
 #define INDEX_BASE		(CPUXGPT_BASE+0x0674)
 #define CTL_BASE		(CPUXGPT_BASE+0x0670)