OMAP7XX: IO: Remove duplicate omap850 code

This patch is part of a series which unifies all duplicated code between
omap730 and omap850. All cpu checks are converted to cpu_is_omap7xx() and
CONFIG_ARCH_OMAP850 is added to all CONFIG_ARCH_OMAP730 checks.

Signed-off-by: Alistair Buxton <a.j.buxton@gmail.com>
Reviewed-by: Zebediah C. McClure <zmc@lurian.net>
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index b6defa2..388fd94 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -33,7 +33,7 @@
 		if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE))
 			return XLATE(p, OMAP1_IO_PHYS, OMAP1_IO_VIRT);
 	}
-	if (cpu_is_omap730()) {
+	if (cpu_is_omap7xx()) {
 		if (BETWEEN(p, OMAP730_DSP_BASE, OMAP730_DSP_SIZE))
 			return XLATE(p, OMAP730_DSP_BASE, OMAP730_DSP_START);