fixup efs subdir permissions

Apparently the factory process gets these wrong...

Change-Id: I3c8f2b8372862437e0266fe8d3de3e2badcae8c3
diff --git a/init.herring.rc b/init.herring.rc
index 27947ac..6dc2c67 100755
--- a/init.herring.rc
+++ b/init.herring.rc
@@ -32,6 +32,8 @@
 on fs
     mkdir /efs 0775 radio radio
     mount yaffs2 mtd@efs /efs nosuid nodev
+	chmod 770 /efs/bluetooth
+	chmod 770 /efs/imei
     mount ext4 /dev/block/platform/s3c-sdhci.0/by-name/system /system wait ro
     mount ext4 /dev/block/platform/s3c-sdhci.0/by-name/userdata /data wait noatime nosuid nodev