conf/bitbake: fixup nohash var flags
conf/bitbake: fixup nohash var flags

As hashing is disabled by setting nohash var flag to "0", the right
enable value is "1" to stay sane...

sknsean/core,hundeboll/core,hundeboll/core,sknsean/core,sknsean/core,sknsean/core,sknsean/core,hundeboll/core,diorcety/oe-lite-core,hundeboll/core,diorcety/oe-lite-core