Updated yaffs extraction utility command line options

src/binwalk/config/extract.conf

@@ -65,7 +65,7 @@
 ^ubi erase count header:ubi:ubireader_extract_files -o '%%ubifs-root%%' '%e':0:False
 
 # Experimental yaffs extractor
-^yaffs filesystem:yaffs:yaffshiv --auto -f '%e' -d '%%yaffs-root%%':0:False
+^yaffs filesystem:yaffs:yaffshiv --auto --brute-force -f '%e' -d '%%yaffs-root%%':0:False
 
 # These were extractors used from FMK that still need suitable replacements.
 #^bff volume entry:bff:/opt/firmware-mod-kit/src/bff/bffxtractor.py '%e'