[ARM] Orion: MV88F5181 support bits

add MV88F5181 support bits required by D-link DNS-323 patch

Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Acked-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-orion/addr-map.c b/arch/arm/mach-orion/addr-map.c
index ff6e010..488da38 100644
--- a/arch/arm/mach-orion/addr-map.c
+++ b/arch/arm/mach-orion/addr-map.c
@@ -167,7 +167,9 @@
 	u32 dev, rev;
 
 	orion_pcie_id(&dev, &rev);
-	if ((dev == MV88F5281_DEV_ID && win < 4) || (dev == MV88F5182_DEV_ID && win < 2))
+	if ((dev == MV88F5281_DEV_ID && win < 4)
+	    || (dev == MV88F5182_DEV_ID && win < 2)
+	    || (dev == MV88F5181_DEV_ID && win < 2))
 		return 1;
 
 	return 0;