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>

include/phy.h

@@ -65,6 +65,7 @@ typedef enum {
 	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 @@ static const char *phy_interface_strings[] = {
 	[PHY_INTERFACE_MODE_XAUI]		= "xaui",
 	[PHY_INTERFACE_MODE_RXAUI]		= "rxaui",
 	[PHY_INTERFACE_MODE_SFI]		= "sfi",
+	[PHY_INTERFACE_MODE_INTERNAL]		= "internal",
 	[PHY_INTERFACE_MODE_NONE]		= "",
 };