If we enable 'cryptsetup' PACKAGECONFIG for systemd, there would be
circular dependency issue among 'systemd', 'cryptsetup' and 'lvm2'.
cryptsetup only needs libdevmapper from lvm2. So we separte libdevmapper
into a new recipe to solve this circular dependency issue.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>