OMAP: Remove OMAP_IO_ADDRESS, use OMAP1_IO_ADDRESS and OMAP2_IO_ADDRESS instead

Search and replace OMAP_IO_ADDRESS with OMAP1_IO_ADDRESS and OMAP2_IO_ADDRESS,
and convert omap_read/write into a functions instead of a macros.

Also rename OMAP_MPUIO_VBASE to OMAP1_MPUIO_VBASE.

In the long run, most code should use ioremap + __raw_read/write instead.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index bbbaeb0..0680843 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -71,7 +71,7 @@
 #  define INT_DSP_MAILBOX1	INT_1610_DSP_MAILBOX1
 #endif
 
-#define OMAP1_MBOX_BASE		IO_ADDRESS(OMAP16XX_MAILBOX_BASE)
+#define OMAP1_MBOX_BASE		OMAP1_IO_ADDRESS(OMAP16XX_MAILBOX_BASE)
 
 static struct resource mbox_resources[] = {
 	{