qitoolchain create: better error message
qitoolchain create: better error message

Change-Id: I673f5e7bf3ae09db651c08905bc5ecb31f24630d

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