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/Kconfig b/drivers/net/ethernet/Kconfig
index df8940d..f011665 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -160,5 +160,6 @@
 source "drivers/net/ethernet/tundra/Kconfig"
 source "drivers/net/ethernet/via/Kconfig"
 source "drivers/net/ethernet/xilinx/Kconfig"
+source "drivers/net/ethernet/xircom/Kconfig"
 
 endif # ETHERNET