Display default toolchain for current worktree (or --worktree).
Display default toolchain for current worktree (or --worktree).

Change-Id: I9fddc800af378e7ae0554f37fb665560e722373e
Reviewed-on: http://gerrit.aldebaran.lan:8080/4818
Reviewed-by: dmerejkowsky <1e4b13000fa8777df4cefd2fd8215187e3deb062@aldebaran-robotics.com>
Tested-by: fmichea <e20d0674aeea681862835ac59e1fa7c309090652@aldebaran-robotics.com>

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