If there's been a lot of changes the commit to buildhistory can take a
significant amount of time, so print a note so there's some indication of
progress.
(From OE-Core rev: ccd911ba8887f5c9a72d5178617c2a3ee73264ff)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>