net: include/phy.h: add new mode for internal phy

Add the new mode to indicate a built-in PHY.
This will be used by UniPhier AVE ethernet driver.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/include/phy.h b/include/phy.h
index e8f10ab..7c3fc5c 100644
--- a/include/phy.h
+++ b/include/phy.h
@@ -65,6 +65,7 @@
 	PHY_INTERFACE_MODE_XAUI,
 	PHY_INTERFACE_MODE_RXAUI,
 	PHY_INTERFACE_MODE_SFI,
+	PHY_INTERFACE_MODE_INTERNAL,
 	PHY_INTERFACE_MODE_NONE,	/* Must be last */
 
 	PHY_INTERFACE_MODE_COUNT,
@@ -87,6 +88,7 @@
 	[PHY_INTERFACE_MODE_XAUI]		= "xaui",
 	[PHY_INTERFACE_MODE_RXAUI]		= "rxaui",
 	[PHY_INTERFACE_MODE_SFI]		= "sfi",
+	[PHY_INTERFACE_MODE_INTERNAL]		= "internal",
 	[PHY_INTERFACE_MODE_NONE]		= "",
 };