net: phy: Add Amlogic Meson GXL Internal PHY support

The Amlogic Meson GXL/GXM families embeds an internal RMII Ethernet PHY.

The PHY acts as a generic PHY but needs a slight configuration right
before it's configuration.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 54f32f6..1e264b2 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -21,6 +21,7 @@
 obj-$(CONFIG_PHY_MARVELL) += marvell.o
 obj-$(CONFIG_PHY_MICREL_KSZ8XXX) += micrel_ksz8xxx.o
 obj-$(CONFIG_PHY_MICREL_KSZ90X1) += micrel_ksz90x1.o
+obj-$(CONFIG_PHY_MESON_GXL) += meson-gxl.o
 obj-$(CONFIG_PHY_NATSEMI) += natsemi.o
 obj-$(CONFIG_PHY_REALTEK) += realtek.o
 obj-$(CONFIG_PHY_SMSC) += smsc.o