testing/sigrok-cli: upgrade to 0.7.2
the changelog stopped at 0.7.0 lol nevermind, the master branch was behind
the actual changelog: http://sigrok.org/gitweb/?p=sigrok-cli.git;a=blob;f=NEWS;h=e80dad6392501dd16e4fdc87836d443474e2eed9;hb=b584f959edb788f1731d5a304badf241ac21bf65
Edited by Patrycja Rosa