recipetool: Set master branch only as fallback
The commit 'meta/scripts: Manual git url branch additions (
dc53fe75cc)'
sets the branch= parameter too early to master and thereby breaks the
-B/--srcbranch option.
ERROR: branch= parameter and -B/--srcbranch option cannot both be specified - use one or the other
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier@weidmueller.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
34ece8030e7a6a100b5e3e7b94e6c786c0e199a6)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
