ARM: Versatile Express: add NO_IOPORT

On Versatile Express, the PCI Express buses are broken and unusable, so
we aren't going to support PCI/ISA IO cycles on this platform.  Remove
the PCI/ISA IO inb et.al. support for this platform.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -313,6 +313,7 @@ config ARCH_VEXPRESS
 	select HAVE_CLK
 	select HAVE_PATA_PLATFORM
 	select ICST
+	select NO_IOPORT
 	select PLAT_VERSATILE
 	select PLAT_VERSATILE_CLCD
 	help

arch/arm/mach-vexpress/include/mach/io.h

@@ -20,7 +20,6 @@
 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H
 
-#define __io(a)		__typesafe_io(a)
 #define __mem_pci(a)	(a)
 
 #endif