fix count of nodes needed in test


ndb/test/run-test/conf-daily-basic-dl145a.txt:
  Fix typo
ndb/test/run-test/conf-daily-basic-ndbmaster.txt:
  Fix typo
ndb/test/run-test/conf-daily-devel-ndbmaster.txt:
  Fix typo
ndb/test/run-test/conf-daily-sql-ndbmaster.txt:
  Fix typo
ndb/test/run-test/ndb-autotest.sh:
  Fix count of needed computers for test