net: DSA: Marvell mv88e6171 switch driver

This is the Marvell driver with some cleanups by Claudio Leite
and myself.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Cc: Claudio Leite <leitec@staticky.com>
Signed-off-by: Claudio Leite <leitec@staticky.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/Makefile b/drivers/net/dsa/Makefile
index dd3cd3b..23a90de 100644
--- a/drivers/net/dsa/Makefile
+++ b/drivers/net/dsa/Makefile
@@ -7,4 +7,7 @@
 ifdef CONFIG_NET_DSA_MV88E6131
 mv88e6xxx_drv-y += mv88e6131.o
 endif
+ifdef CONFIG_NET_DSA_MV88E6171
+mv88e6xxx_drv-y += mv88e6171.o
+endif
 obj-$(CONFIG_NET_DSA_BCM_SF2)	+= bcm_sf2.o