treewide: Rename PHY_INTERFACE_MODE_NONE to PHY_INTERFACE_MODE_NA

Rename constant PHY_INTERFACE_MODE_NONE to PHY_INTERFACE_MODE_NA to make
it compatible with Linux' naming.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
diff --git a/include/phy_interface.h b/include/phy_interface.h
index 494bc87..59e119a 100644
--- a/include/phy_interface.h
+++ b/include/phy_interface.h
@@ -39,7 +39,7 @@
 	PHY_INTERFACE_MODE_NCSI,
 	PHY_INTERFACE_MODE_10GBASER,
 	PHY_INTERFACE_MODE_USXGMII,
-	PHY_INTERFACE_MODE_NONE,	/* Must be last */
+	PHY_INTERFACE_MODE_NA,	/* Must be last */
 
 	PHY_INTERFACE_MODE_MAX,
 } phy_interface_t;
@@ -71,7 +71,7 @@
 	[PHY_INTERFACE_MODE_NCSI]		= "NC-SI",
 	[PHY_INTERFACE_MODE_10GBASER]		= "10gbase-r",
 	[PHY_INTERFACE_MODE_USXGMII]		= "usxgmii",
-	[PHY_INTERFACE_MODE_NONE]		= "",
+	[PHY_INTERFACE_MODE_NA]		= "",
 };
 
 /* Backplane modes:
@@ -86,8 +86,8 @@
 static inline const char *phy_string_for_interface(phy_interface_t i)
 {
 	/* Default to unknown */
-	if (i > PHY_INTERFACE_MODE_NONE)
-		i = PHY_INTERFACE_MODE_NONE;
+	if (i > PHY_INTERFACE_MODE_NA)
+		i = PHY_INTERFACE_MODE_NA;
 
 	return phy_interface_strings[i];
 }