Support static IP config on Ethernet

Bug: 7606609
Bug: 8687763
Change-Id: I1d76b5783e8511a8e3f5d981e6b4b9fb4fbecdf4
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 476daff..4bccdd8 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -240,6 +240,7 @@
     mkdir /data/misc/wifi 0770 wifi wifi
     mkdir /data/misc/wifi/sockets 0770 wifi wifi
     mkdir /data/misc/wifi/wpa_supplicant 0770 wifi wifi
+    mkdir /data/misc/ethernet 0770 system system
     mkdir /data/misc/dhcp 0770 dhcp dhcp
     # give system access to wpa_supplicant.conf for backup and restore
     chmod 0660 /data/misc/wifi/wpa_supplicant.conf