Added extraction rule for UBIFS superblocks

src/binwalk/config/extract.conf

@@ -61,6 +61,7 @@
 ^jffs2 filesystem:jffs2:jefferson -d '%%jffs2-root%%' '%e':0:False
 
 # Use ubi_reader tool for UBIFS extraction
+^ubifs superblock node:ubi:ubireader_extract_files -o '%%ubifs-root%%' '%e':0:False
 ^ubi erase count header:ubi:ubireader_extract_files -o '%%ubifs-root%%' '%e':0:False
 
 # These were extractors used from FMK that still need suitable replacements.