Toolchain: sort package names when printing
Toolchain: sort package names when printing

This make `qitoolchain info` usable when there are
many packages

Change-Id: I11f8e59c4b30e8657174065078c5deef13c48e61
Reviewed-on: http://gerrit.aldebaran.lan/24278
Tested-by: gerrit
Reviewed-by: vbarbaresi <371b46c96c99af52f4f920034e4fcb63ece5bdb5@aldebaran-robotics.com>

dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,aldebaran/qibuild