8139*/atp/r8169/sc92031: Move the Realtek drivers

Move the Realtek drivers into drivers/net/ethernet/realtek/ and make
the necessary Kconfig and Makefile changes.

CC: Realtek linux nic maintainers <nic_swsd@realtek.com>
CC: Francois Romieu <romieu@fr.zoreil.com>
CC: Jeff Garzik <jgarzik@pobox.com>
CC: Donald Becker <becker@scyld.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
index 4a6edf7..0092c30 100644
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -23,6 +23,7 @@
 obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
 obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/
 obj-$(CONFIG_NET_VENDOR_RACAL) += racal/
+obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/
 obj-$(CONFIG_SFC) += sfc/
 obj-$(CONFIG_NET_VENDOR_SMSC) += smsc/
 obj-$(CONFIG_NET_VENDOR_STMICRO) += stmicro/