refactor(qemu): use the example CCA platform token from iat-verifier

In [1] and [2], the example CCA platform token has been updated to be
aligned with the new profile(s) defined in draft-ffm-rats-cca-token-00.

This change replaces the static CCA platform token in QEMU.

[1] https://review.trustedfirmware.org/c/TF-M/tf-m-tools/+/30812
[2] https://review.trustedfirmware.org/c/TF-M/tf-m-tools/+/31036

Signed-off-by: Tamas Ban <tamas.ban@arm.com>
Change-Id: I9153df1e6c1be81e669d5495dbe8d1a52e86cdff
1 file changed