ddr: marvell: a38x: old: Fix some compiler warning of the old code

Fix some compilation warning in the old DDR training code.

Signed-off-by: Marek Behún <kabel@kernel.org>

drivers/ddr/marvell/a38x/old/ddr3_a38x.c

@@ -9,6 +9,7 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <linux/delay.h>
 
 #include "ddr3_init.h"
 

drivers/ddr/marvell/a38x/old/ddr3_init.h

@@ -291,7 +291,9 @@ extern struct cl_val_per_freq cas_latency_table[];
 extern u32 target_freq;
 extern struct hws_tip_config_func_db config_func_info[HWS_MAX_DEVICE_NUM];
 extern u32 clamp_tbl[];
+#if 0
 extern u32 init_freq;
+#endif
 /* list of allowed frequency listed in order of enum hws_ddr_freq */
 extern u32 freq_val[];
 extern u8 debug_training_static;

drivers/ddr/marvell/a38x/old/ddr3_training.c

@@ -8,6 +8,7 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <linux/delay.h>
 
 #include "ddr3_init.h"
 

drivers/ddr/marvell/a38x/old/ddr3_training_ip_engine.c

@@ -8,6 +8,7 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <linux/delay.h>
 
 #include "ddr3_init.h"
 

drivers/ddr/marvell/a38x/old/ddr3_training_leveling.c

@@ -8,6 +8,7 @@
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
+#include <linux/delay.h>
 
 #include "ddr3_init.h"