greth: Move the Aeroflex Gaisler driver

Move the Aeroflex Gaisler driver into drivers/net/ethernet/aeroflex/
and make the necessary Kconfig and Makefile changes.

CC: Kristoffer Glembo <kristoffer@gaisler.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index e89bb27..32561c7 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -13,6 +13,7 @@
 
 source "drivers/net/ethernet/3com/Kconfig"
 source "drivers/net/ethernet/adaptec/Kconfig"
+source "drivers/net/ethernet/aeroflex/Kconfig"
 source "drivers/net/ethernet/amd/Kconfig"
 source "drivers/net/ethernet/apple/Kconfig"
 source "drivers/net/ethernet/atheros/Kconfig"