Fix malformed default URIs

URIs using the ssh:// scheme conform to the URI standard and use a slash
to specify the directory on the server, unlike plain scheme-less SSH
locations.

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
Change-Id: If03eb1a4d0abe08993497fcc31376174aa6a41b3
2 files changed