opkg: use oe.qa.add_message istead of package_qa_add_message

Since the following commit, package_qa_add_message is no longer
available, use oe.qa.add_message instead.

"""
commit f0ad152e
Author: Mike Crowe <mac@mcrowe.com>
Date:   Fri Oct 15 15:39:53 2021 +0100

    lib/oe/qa,insane: Move extra error handling functions to library

    Extract package_qa_write_error, package_qa_handle_error and
    package_qa_add_message functions from insane.bbclass to lib/oe/qa.py and
    drop the package_qa_ prefixes.
...
"""

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>