s6gmac: xtensa s6000 on-chip ethernet driver

The s6000 on-chip MAC supports 10/100/1000Mbit and is connected to an
external PHY via MII or RGMII interface.

[jw@emlix.com: don't use device->bus_id directly]
Signed-off-by: Oskar Schirmer <os@emlix.com>
Signed-off-by: Daniel Glockner <dg@emlix.com>
Acked-by: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Johannes Weiner <jw@emlix.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Zankel <chris@zankel.net>
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index d366fb2..4b58a59 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -245,6 +245,7 @@
 
 obj-$(CONFIG_DNET) += dnet.o
 obj-$(CONFIG_MACB) += macb.o
+obj-$(CONFIG_S6GMAC) += s6gmac.o
 
 obj-$(CONFIG_ARM) += arm/
 obj-$(CONFIG_DEV_APPLETALK) += appletalk/