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/drivers/net/fm/b4860.c b/drivers/net/fm/b4860.c
index 6e3d008..e622d86 100644
--- a/drivers/net/fm/b4860.c
+++ b/drivers/net/fm/b4860.c
@@ -55,7 +55,7 @@
 #endif
 
 	if (is_device_disabled(port))
-		return PHY_INTERFACE_MODE_NONE;
+		return PHY_INTERFACE_MODE_NA;
 
 	/*B4860 has two 10Gig Mac*/
 	if ((port == FM1_10GEC1 || port == FM1_10GEC2)	&&
@@ -112,7 +112,7 @@
 					 (port == FM1_DTSEC2) ||
 					 (port == FM1_DTSEC3) ||
 					 (port == FM1_DTSEC4))
-					return PHY_INTERFACE_MODE_NONE;
+					return PHY_INTERFACE_MODE_NA;
 			}
 		}
 	}
@@ -131,8 +131,8 @@
 			return PHY_INTERFACE_MODE_SGMII;
 		break;
 	default:
-		return PHY_INTERFACE_MODE_NONE;
+		return PHY_INTERFACE_MODE_NA;
 	}
 
-	return PHY_INTERFACE_MODE_NONE;
+	return PHY_INTERFACE_MODE_NA;
 }