libopkg: allow passing common package state flags to pkg_hash_add_from_file()

libopkg: allow passing common package state flags to pkg_hash_add_from_file()

Add a new parameter to pkg_hash_add_from_file() for passing package state
flags that shall be applied to all pkg_t instances parsed from the given
file and use it to mark all packages loaded from local status files with
the SF_NEED_DETAIL flag.

Signed-off-by: Jo-Philipp Wich <[email protected]>