Allow commitcheck.sh to handle multiple OpenZFS ports in
a single commit. This is useful in the cases when a change
upstream has bug fixes and it makes sense to port them with
the original patch.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Closes#6780