Primarily list the number of patches found, useful when debugging.
Also clean up some bad escaping that caused warnings and use
re.IGNORECASE instead of manually doing case-insenstive rang matches.
(From OE-Core rev: 1745208bc08037497ad9de1be15a3cc4a22ceff5)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 10acc75b7f3387b968bacd51aade6a8dc11a463f)
Signed-off-by: Steve Sakoman <steve@sakoman.com>