onclite: init.qcom.rc : create default dir for tombstone data

This change creates the default tombstone dir(rfs) on bootup.
This dir is used by tftp_server to save modem ssr dump data.

Change-Id: I6c7399dd33ba768f6660cbbab352515527c1da11
Signed-off-by: Dhina17 <dhinalogu@gmail.com>

rootdir/init.qcom.rc

@@ -242,6 +242,7 @@ on post-fs-data
 
     #Create directory for tftp
     mkdir /data/vendor/tombstones 0771 system system
+    mkdir /data/vendor/tombstones/rfs 0771 system system
 
     mkdir /data/vendor/ramdump 0771 root system
     mkdir /data/misc/bluetooth 0770 bluetooth bluetooth