fix(st-ddr): correct DDR warnings

Replace %d with %u in logs, to avoid warning when
-Wformat-signedness is enabled.
And correct the order of includes.

Change-Id: I7c711a37fc1deceb8853831a8a09ae50422859c9
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
diff --git a/drivers/st/ddr/stm32mp1_ddr.c b/drivers/st/ddr/stm32mp1_ddr.c
index 3db47c4..3294f6e 100644
--- a/drivers/st/ddr/stm32mp1_ddr.c
+++ b/drivers/st/ddr/stm32mp1_ddr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2021, STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2018-2022, STMicroelectronics - All Rights Reserved
  *
  * SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
  */
@@ -7,21 +7,21 @@
 #include <errno.h>
 #include <stddef.h>
 
-#include <platform_def.h>
-
 #include <arch.h>
 #include <arch_helpers.h>
 #include <common/debug.h>
 #include <drivers/clk.h>
 #include <drivers/delay_timer.h>
-#include <drivers/st/stm32mp_pmic.h>
 #include <drivers/st/stm32mp1_ddr.h>
 #include <drivers/st/stm32mp1_ddr_regs.h>
 #include <drivers/st/stm32mp1_pwr.h>
 #include <drivers/st/stm32mp1_ram.h>
+#include <drivers/st/stm32mp_pmic.h>
 #include <lib/mmio.h>
 #include <plat/common/platform.h>
 
+#include <platform_def.h>
+
 struct reg_desc {
 	const char *name;
 	uint16_t offset;	/* Offset for base address */
@@ -729,7 +729,7 @@
 	}
 
 	VERBOSE("name = %s\n", config->info.name);
-	VERBOSE("speed = %d kHz\n", config->info.speed);
+	VERBOSE("speed = %u kHz\n", config->info.speed);
 	VERBOSE("size  = 0x%x\n", config->info.size);
 
 	/* DDR INIT SEQUENCE */