[rdkb][Bpi-R4][conf][Add lan0 as wan support]

[Description]
Add lan0 as wan support

[Release-log]

Change-Id: I16518d1309a4e042d7140527669b1e43cbaf22e5
diff --git a/conf/machine/filogic880-bpi-r4.conf b/conf/machine/filogic880-bpi-r4.conf
index 6d69771..ebb220e 100644
--- a/conf/machine/filogic880-bpi-r4.conf
+++ b/conf/machine/filogic880-bpi-r4.conf
@@ -70,4 +70,7 @@
 HASHED_BOOT_DEVICE_secureboot = "252:0"
 
 # for efuse tools
-#DISTRO_FEATURES_append = " efuse_tools"
\ No newline at end of file
+#DISTRO_FEATURES_append = " efuse_tools"
+
+#DISTRO_FEATURES_append = " WanManagerUnificationEnable"
+DISTRO_FEATURES_append = " lan0_as_wan"
\ No newline at end of file