Add do-release.sh script
Add do-release.sh script

It shouldn't be part of $(distdir)

fixes: #1205

Signed-off-by: Olivier Mehani <b6547e8761a9172c977da5c389270d45960e4aa0@ssji.net>

mytestbed/oml,mytestbed/oml,alco90/soml,mytestbed/oml,alco90/soml,alco90/soml,mytestbed/oml,mytestbed/oml,alco90/soml,alco90/soml