kola/tests: Enable Tang tests for ppc64le and aarch64

[Prashanth684]

With the move to f33, TPM is supported in qemu for ppc64le and aarch64. s390x does not support a
TPM backend, so that is still disabled. Had to adjust memory for aarch64 because it also uses 64K
pages.

[Prashanth684]

cc @jcajka

[jlebon]

/approve

Title should probably read "Enable Tang tests ..." instead since that's what these tests are primarily testing (though some use TPM2 as well). TPM2-only tests live at https://github.com/coreos/fedora-coreos-config/blob/testing-devel/tests/kola/root-reprovision/luks/test.sh and https://github.com/openshift/os/blob/master/tests/kola/luks/tpm/test.sh -- I think we can expand the architectures there too, right?

[Prashanth684]

/approve

Title should probably read "Enable Tang tests ..." instead since that's what these tests are primarily testing (though some use TPM2 as well). TPM2-only tests live at https://github.com/coreos/fedora-coreos-config/blob/testing-devel/tests/kola/root-reprovision/luks/test.sh and https://github.com/openshift/os/blob/master/tests/kola/luks/tpm/test.sh -- I think we can expand the architectures there too, right?

Ah..yes those tests can be enabled as well..let me test it and then i will enable those too. Thanks for pointing those out.

[jlebon]

/lgtm

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[Prashanth684]

@jlebon addressed the comments. sorry i lost track of this. should be good now!