This recipe was overriding do_install_ptest which is provided by the
ptest-python-pytest class, so there was no tests or run-ptest installed.
Use an append override, and minimise the installed files: use a symlink
so that scancode-licensedb-index.json is found and install setup.cfg.
(From OE-Core rev: 164876d33af9edaac37a686726727d3bc3d10aa9)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
