This project doesn't seem to produce regular releases as they once did, the
last such release (8.40-1) was in 2015 (over 3 years ago at this point).
Therefore switch to building the latest git commit.
Also, refresh the patches as required (used devtool --force-patch-refresh).
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>