In a6d7eb2c7a (pull: optionally rebase submodules (remote submodule
changes only), 2017-06-23), we taught Git how to rebase submodules in
a pull. However we missed to pass on the verbosity settings.
Reported-by: Robin H. Johnson <robbat2@gentoo.org> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>