dnet: Move the Dave Ethernet driver

Move the Dave Ethernet driver into drivers/net/ethernet/ and
make the necessary Kconfig and Makefile changes.

CC: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index c1ce356..a911753 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -23,6 +23,18 @@
 source "drivers/net/ethernet/chelsio/Kconfig"
 source "drivers/net/ethernet/cirrus/Kconfig"
 source "drivers/net/ethernet/cisco/Kconfig"
+
+config DNET
+	tristate "Dave ethernet support (DNET)"
+	depends on HAS_IOMEM
+	select PHYLIB
+	---help---
+	  The Dave ethernet interface (DNET) is found on Qong Board FPGA.
+	  Say Y to include support for the DNET chip.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called dnet.
+
 source "drivers/net/ethernet/dec/Kconfig"
 source "drivers/net/ethernet/dlink/Kconfig"
 source "drivers/net/ethernet/emulex/Kconfig"