phy: add natsemi PHY driver

This patch adds the PHY device driver for the National Semiconductor
DP83865 Gig PHYTER.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index c4c5a2f..a1938e1 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -66,6 +66,11 @@
 	---help---
 	  Supports the Realtek 821x PHY.
 
+config NATIONAL_PHY
+	tristate "Drivers for National Semiconductor PHYs"
+	---help---
+	  Currently supports the DP83865 PHY.
+
 config FIXED_PHY
 	bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
 	depends on PHYLIB=y
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 9ae5d30..eba4954 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -16,3 +16,4 @@
 obj-$(CONFIG_FIXED_PHY)		+= fixed.o
 obj-$(CONFIG_MDIO_BITBANG)	+= mdio-bitbang.o
 obj-$(CONFIG_MDIO_GPIO)		+= mdio-gpio.o
+obj-$(CONFIG_NATIONAL_PHY)	+= national.o