xircom: Move the Xircom driver

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

CC: <psheer@icon.co.za>
CC: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
index 09f26b6..7f3b73c 100644
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -69,3 +69,4 @@
 obj-$(CONFIG_NET_VENDOR_TUNDRA) += tundra/
 obj-$(CONFIG_NET_VENDOR_VIA) += via/
 obj-$(CONFIG_NET_VENDOR_XILINX) += xilinx/
+obj-$(CONFIG_NET_VENDOR_XIRCOM) += xircom/