drivedb.h: Add "Inland Professional 120 GB"

see: https://listi.jpberlin.de/pipermail/smartmontools-database/2018-June/000189.html


git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk@4732 4ea69e1a-61f1-4043-bf83-b5c94c648137