netx: Move the netx driver

Move the netx driver into drivers/net/ethernet/ and make the
necessary Kconfig and Makefile changes.

CC: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index 45eef59..6e36196 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -102,6 +102,17 @@
 
 source "drivers/net/ethernet/natsemi/Kconfig"
 source "drivers/net/ethernet/8390/Kconfig"
+
+config NET_NETX
+	tristate "NetX Ethernet support"
+	select MII
+	depends on ARCH_NETX
+	---help---
+	  This is support for the Hilscher netX builtin Ethernet ports
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called netx-eth.
+
 source "drivers/net/ethernet/nuvoton/Kconfig"
 source "drivers/net/ethernet/nvidia/Kconfig"
 source "drivers/net/ethernet/octeon/Kconfig"