To avoid AppArmor-related test failures when functional test are run from
somewhere under /mnt, adjust the path to swtpm's state to use an AppArmor-
supported path, such as /var/tmp, which is provided by the python function
tempfile.TemporaryDirectory().
An update to swtpm's AppArmor profile is also being done to support /var/tmp.
Link: https://lore.kernel.org/qemu-devel/CAFEAcA8A=kWLtTZ+nua-MpzqkaEjW5srOYZruZnE2tB6vmoMig@mail.gmail.com/
Link: https://github.com/stefanberger/swtpm/pull/944
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: f04cb2d00d ("tests/functional: Convert most Aspeed machine tests")
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
e3edada526