Fix `support callhome status` command (#4222)
Fix `support callhome status` command (#4222)

Because of recent changes in the way config is parsed in `mc`, we need
to pass `madmin.Default` as the target when looking for the callhome
config.
minio/mc,vadmeste/mc,balamurugana/mc,krisis/mc,minio/mc,krisis/mc,vadmeste/mc,balamurugana/mc