ARM: Integrator: allow IO_ADDRESS() to be used for register addresses

#define PCIO_BASE		PCI_IO_VADDR

#define PCIMEM_BASE		PCI_MEMORY_VADDR

#ifdef CONFIG_MMU

/* macro to get at IO space when running virtually */

#define IO_ADDRESS(x) (((x) >> 4) + IO_BASE) 

#else

#define IO_ADDRESS(x) (x)

#endif

#define pcibios_assign_all_busses()	1

#define PCIBIOS_MIN_IO		0x6000

#define PCIBIOS_MIN_MEM 	0x00100000

/* macro to get at IO space when running virtually */

#ifdef CONFIG_MMU

#define IO_ADDRESS(x)	(((x) & 0x000fffff) | (((x) >> 4) & 0x0ff00000) | IO_BASE)

#else

#define IO_ADDRESS(x)	(x)

#endif

#define __io_address(n)		((void __iomem *)IO_ADDRESS(n))

#endif