[ARM] mmp: rename pxa_map_io() to mmp_map_io()

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-mmp/avengers_lite.c b/arch/arm/mach-mmp/avengers_lite.c
index 2906c9e..69bcba1 100644
--- a/arch/arm/mach-mmp/avengers_lite.c
+++ b/arch/arm/mach-mmp/avengers_lite.c
@@ -43,7 +43,7 @@
 MACHINE_START(AVENGERS_LITE, "PXA168 Avengers lite Development Platform")
 	.phys_io        = APB_PHYS_BASE,
 	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
-	.map_io		= pxa_map_io,
+	.map_io		= mmp_map_io,
 	.init_irq       = pxa168_init_irq,
 	.timer          = &pxa168_timer,
 	.init_machine   = avengers_lite_init,