ARM: UniPhier: replace <asm/io.h> with <linux/io.h>

In the Linux coding style, it is recommended to include <linux/io.h>
rather than <asm/io.h>.  Follow this trend.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/include/mach/led.h b/arch/arm/mach-uniphier/include/mach/led.h
index 21277da..f7749b4 100644
--- a/arch/arm/mach-uniphier/include/mach/led.h
+++ b/arch/arm/mach-uniphier/include/mach/led.h
@@ -1,6 +1,5 @@
 /*
- * Copyright (C) 2012-2014 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ * Copyright (C) 2012-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -77,7 +76,7 @@
 
 #else /* __ASSEMBLY__ */
 
-#include <asm/io.h>
+#include <linux/io.h>
 
 #define led_write(C0, C1, C2, C3)		\
 do {						\
diff --git a/arch/arm/mach-uniphier/include/mach/sbc-regs.h b/arch/arm/mach-uniphier/include/mach/sbc-regs.h
index efb68e8..493363b 100644
--- a/arch/arm/mach-uniphier/include/mach/sbc-regs.h
+++ b/arch/arm/mach-uniphier/include/mach/sbc-regs.h
@@ -1,7 +1,7 @@
 /*
  * UniPhier SBC (System Bus Controller) registers
  *
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -99,7 +99,7 @@
 #define ROM_BOOT_ROMRSV2		0x59801208
 
 #ifndef __ASSEMBLY__
-#include <asm/io.h>
+#include <linux/io.h>
 static inline int boot_is_swapped(void)
 {
 	return !(readl(SBBASE0) & SBBASE_BANK_ENABLE);
diff --git a/arch/arm/mach-uniphier/include/mach/sg-regs.h b/arch/arm/mach-uniphier/include/mach/sg-regs.h
index 63408d5..a65f058 100644
--- a/arch/arm/mach-uniphier/include/mach/sg-regs.h
+++ b/arch/arm/mach-uniphier/include/mach/sg-regs.h
@@ -1,7 +1,7 @@
 /*
  * UniPhier SG (SoC Glue) block registers
  *
- * Copyright (C) 2011-2015 Panasonic Corporation
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -108,7 +108,7 @@
 #else
 
 #include <linux/types.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 static inline void sg_set_pinsel(int n, int value)
 {