net: add Xilinx emac lite device driver

This patch adds support for the Xilinx Ethernet Lite device.  The
soft logic core from Xilinx is typically used on Virtex and Spartan
designs attached to either a PowerPC or a Microblaze processor.
Signed-off-by: NSadanand M <sadanan@xilinx.com>
Signed-off-by: NJohn Linn <john.linn@xilinx.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/Kconfig

@@ -1926,6 +1926,12 @@ config ATL2
 	  To compile this driver as a module, choose M here.  The module
 	  will be called atl2.
 
+config XILINX_EMACLITE
+	tristate "Xilinx 10/100 Ethernet Lite support"
+	depends on PPC32 || MICROBLAZE
+	help
+	  This driver supports the 10/100 Ethernet Lite from Xilinx.
+
 source "drivers/net/fs_enet/Kconfig"
 
 endif # NET_ETHERNET

drivers/net/Makefile

@@ -142,6 +142,7 @@ obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o
 obj-$(CONFIG_MV643XX_ETH) += mv643xx_eth.o
 ll_temac-objs := ll_temac_main.o ll_temac_mdio.o
 obj-$(CONFIG_XILINX_LL_TEMAC) += ll_temac.o
+obj-$(CONFIG_XILINX_EMACLITE) += xilinx_emaclite.o
 obj-$(CONFIG_QLA3XXX) += qla3xxx.o
 obj-$(CONFIG_QLGE) += qlge/