CI: Ensure created EK is valid
CI: Ensure created EK is valid

The tests currently run swtpm_setup with --allow-signing, which results
in an EK that does not match the EK Certificate.
This removes that, since we do not need signing on the EK.

Signed-off-by: Patrick Uiterwijk <cbb7353e6d953ef360baf960c122346276c6e320@puiterwijk.org>

mit-ll/python-keylime,mit-ll/python-keylime,mit-ll/python-keylime,mit-ll/python-keylime