Create branches RELEASE_6_[1-3]_DRIVEDB with last drivedb.h file compatible
with smartmontools 6.[1-3].

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@4007 4ea69e1a-61f1-4043-bf83-b5c94c648137
drivedb.h: USB: Prolific PL2773 (0x067b:0x2773) (ticket #482).

Patch was provided by Tommy Vestermark.

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@4008 4ea69e1a-61f1-4043-bf83-b5c94c648137