attribute updates:

- change attributes 202,204,205 to the meanings as found in wdidle3.exe
  retain old entries as comments (possible Fujitsu use)
- add attribute 240 as found in Fujitsu MHY2xxxBH



git-svn-id: https://smartmontools.svn.sourceforge.net/svnroot/smartmontools/trunk@2969 4ea69e1a-61f1-4043-bf83-b5c94c648137