ewrk3/tulip: Move the DEC - Tulip drivers

Move the DEC - Tulip driver into drivers/net/ethernet/dec/tulip/
and make the necessary Kconfig and Makefile changes.

The Digital Equioment (DEC) driver ewrk3 was moved into
drivers/net/ethernet/dec/ and the remaining drivers (Tulip)
were moved into drivers/net/ethernet/dec/tulip/

CC: Tobias Ringstrom <tori@unhappy.mine.nu>
CC: Grant Grundler <grundler@parisc-linux.org>
CC: David Davies <davies@maniac.ultranet.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 26fa497..fbafbb6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2073,7 +2073,7 @@
 L:	netdev@vger.kernel.org
 S:	Orphan
 F:	Documentation/networking/dmfe.txt
-F:	drivers/net/tulip/dmfe.c
+F:	drivers/net/ethernet/tulip/dmfe.c
 
 DC390/AM53C974 SCSI driver
 M:	Kurt Garloff <garloff@suse.de>
@@ -6514,7 +6514,7 @@
 M:	Grant Grundler <grundler@parisc-linux.org>
 L:	netdev@vger.kernel.org
 S:	Maintained
-F:	drivers/net/tulip/
+F:	drivers/net/ethernet/tulip/
 
 TUN/TAP driver
 M:	Maxim Krasnyansky <maxk@qualcomm.com>