Add Attansic L1 ethernet driver.

This driver is a modified version of the Attansic reference driver
for the L1 ethernet adapter.  Attansic has granted permission for
its inclusion in the mainline kernel.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 0878e3d..33af833 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -9,6 +9,7 @@
 obj-$(CONFIG_CHELSIO_T3) += cxgb3/
 obj-$(CONFIG_EHEA) += ehea/
 obj-$(CONFIG_BONDING) += bonding/
+obj-$(CONFIG_ATL1) += atl1/
 obj-$(CONFIG_GIANFAR) += gianfar_driver.o
 
 gianfar_driver-objs := gianfar.o \