8390: Move the 8390 related drivers

Moves the drivers for the National Semi-conductor 8390 chipset into
drivers/net/ethernet/8390/ and the necessary Kconfig and Makefile
changes.

CC: Donald Becker <becker@scyld.com>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Alain Malek <alain.malek@cryogen.com>
CC: Peter De Schrijver <p2@mind.be>
CC: "David Huggins-Daines" <dhd@debian.org>
CC: Wim Dumon <wimpie@kotnet.org>
CC: Yoshinori Sato <ysato@users.sourceforge.jp>
CC: David Hinds <dahinds@users.sourceforge.net>
CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index 5e62efd..56ed5ec 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -12,6 +12,7 @@
 if ETHERNET
 
 source "drivers/net/ethernet/3com/Kconfig"
+source "drivers/net/ethernet/8390/Kconfig"
 source "drivers/net/ethernet/amd/Kconfig"
 
 endif # ETHERNET