package/open-plc-utils: bump version

Remove patch for scripts/Makefile because the file was removed upstream:
https://github.com/qca/open-plc-utils/commit/3682e7be80b76490360b655c6217da41bfb90a8e

Fixes musl build error:
http://autobuild.buildroot.net/results/582/5824f101d21698d562e9836c571ceab6fdfadc29//



Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>