ARM: uniphier: drop #include <log.h> again

I do not understand the changes made to these files by
commit f7ae49fc ("common: Drop log.h from common header").

  git show f7ae49fc -- arch/arm/mach-uniphier/

None of them uses the log function feature.

Simply revert the changes made to these files.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

arch/arm/mach-uniphier/board_init.c

@@ -5,7 +5,6 @@
  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  */
 
-#include <log.h>
 #include <linux/errno.h>
 #include <linux/io.h>
 #include <linux/printk.h>

arch/arm/mach-uniphier/dram/ddrphy-training.c

@@ -4,7 +4,6 @@
  * Copyright (C) 2015-2016 Socionext Inc.
  */
 
-#include <log.h>
 #include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/errno.h>

arch/arm/mach-uniphier/dram/umc-pxs2.c

@@ -7,7 +7,6 @@
  * Copyright (C) 2015 Socionext Inc.
  */
 
-#include <log.h>
 #include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/errno.h>

arch/arm/mach-uniphier/micro-support-card.c

@@ -8,7 +8,6 @@
 #include <common.h>
 #include <dm/of.h>
 #include <fdt_support.h>
-#include <log.h>
 #include <linux/ctype.h>
 #include <linux/delay.h>
 #include <linux/io.h>

arch/arm/mach-uniphier/nand-reset.c

@@ -4,7 +4,6 @@
  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  */
 
-#include <log.h>
 #include <linux/errno.h>
 #include <dm.h>
 #include <dm/uclass-internal.h>