sh4: remove __io config options from r2dplus and r7780mp boards

Defined __io is no-op for the SH architecture and it can be removed
from board files without any functional change.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/sh/include/asm/io.h

@@ -67,13 +67,6 @@ extern void __raw_readsl(unsigned int addr, void *data, int longlen);
 #define __raw_base_readw(base, off)	__arch_base_getw(base, off)
 #define __raw_base_readl(base, off)	__arch_base_getl(base, off)
 
-/*
- * Now, pick up the machine-defined IO definitions
- */
-#if 0	/* XXX###XXX */
-#include <asm/arch/io.h>
-#endif	/* XXX###XXX */
-
 /*
  *  IO port access primitives
  *  -------------------------
@@ -82,9 +75,6 @@ extern void __raw_readsl(unsigned int addr, void *data, int longlen);
  * mapped.  Note that these are defined to perform little endian accesses
  * only.  Their primary purpose is to access PCI and ISA peripherals.
  *
- * The machine specific io.h include defines __io to translate an "IO"
- * address to a memory address.
- *
  * Note that we prevent GCC re-ordering or caching values in expressions
  * by introducing sequence points into the in*() definitions.  Note that
  * __raw_* do not guarantee this behaviour.

include/configs/r2dplus.h

@@ -91,7 +91,6 @@
 #define CONFIG_SH4_PCI
 #define CONFIG_SH7751_PCI
 #define CONFIG_PCI_SCAN_SHOW	1
-#define __io
 #define __mem_pci
 
 #define CONFIG_PCI_MEM_BUS	0xFD000000	/* Memory space base addr */

include/configs/r7780mp.h

@@ -100,7 +100,6 @@
 #define CONFIG_SH7780_PCI_LAR	CONFIG_SYS_SDRAM_SIZE
 #define CONFIG_SH7780_PCI_BAR	CONFIG_SYS_SDRAM_SIZE
 #define CONFIG_PCI_SCAN_SHOW	1
-#define __io
 #define __mem_pci
 
 #define CONFIG_PCI_MEM_BUS	0xFD000000	/* Memory space base addr */