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/Kconfig b/drivers/net/ethernet/octeon/Kconfig
new file mode 100644
index 0000000..3de52ff
--- /dev/null
+++ b/drivers/net/ethernet/octeon/Kconfig
@@ -0,0 +1,14 @@
+#
+# Cavium network device configuration
+#
+
+config OCTEON_MGMT_ETHERNET
+	tristate "Octeon Management port ethernet driver (CN5XXX, CN6XXX)"
+	depends on  CPU_CAVIUM_OCTEON
+	select PHYLIB
+	select MDIO_OCTEON
+	default y
+	---help---
+	  This option enables the ethernet driver for the management
+	  port on Cavium Networks' Octeon CN57XX, CN56XX, CN55XX,
+	  CN54XX, CN52XX, and CN6XXX chips.