commit-binaries: Use +e shell opt instead of -x

2 mistakes when using the "set" command:

1. We use - to disable something. We should be using +
2. We use x (xtrace) instead of e (errexit)

We want to temporarily disable errexit, not print the commands we are running to stdout.

Fixes: fb7653cb ("commit-binaries: Add --from-remotes argument") Signed-off-by: Mattijs Korpershoek mkorpershoek@baylibre.com