octeon: Move the Cavium driver

Move the Cavium driver to drivers/net/ethernet/octeon/ and
make the necessary Kconfig and Makefile changes.

CC: David Daney <david.daney@cavium.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: David Daney <david.daney@cavium.com>
diff --git a/drivers/net/ethernet/octeon/Makefile b/drivers/net/ethernet/octeon/Makefile
new file mode 100644
index 0000000..efa41c1
--- /dev/null
+++ b/drivers/net/ethernet/octeon/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the Cavium network device drivers.
+#
+
+obj-$(CONFIG_OCTEON_MGMT_ETHERNET)	+= octeon_mgmt.o