ARM: pxa: Introduce pxa{25x,27x,3xx}_map_io()

This patch introduces pxa2xx_map_io() and pxa3xx_map_io() to distinguish
between PXA25x/PXA27x and PXA3xx memory mapping.

Also, fixup for platforms broken after introducing pxa{25x,27x}_map_io()
and pxa3xx_map_io() is included.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index ca5f29e..ccb2c59 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -257,7 +257,7 @@
 MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
 	.boot_params	= COLIBRI_SDRAM_BASE + 0x100,
 	.init_machine	= colibri_pxa320_init,
-	.map_io		= pxa_map_io,
+	.map_io		= pxa3xx_map_io,
 	.init_irq	= pxa3xx_init_irq,
 	.timer		= &pxa_timer,
 MACHINE_END