Modem MC7304 has firmware flaw that PCO querry makes it unresponsive (firmware is not upgradable, no new release). There are possibily other older modems affected as well, I have no possibility to check. Add udev rule disabling PCO for affected modem (shares productID with RC7611).
Signed-off-by: Filip Pokryvka <fpokryvk@redhat.com>
