By default the database of the known drives is compiled into smartctl and smartd.
These tools also support loading external database from /usr/share/smartmontools/drivedb.h.
This changeset splits moves the database to a separate package
which allows to save some flash space and RAM for those for whom
generic S.M.A.R.T. attributes are enough.

Signed-off-by: Maxim Storchak <m.storchak@gmail.com>