tests/avocado/machine_aspeed.py: Increase timeout for TPM test

On some runners, test_arm_ast2600_evb_buildroot_tpm can take longer
than 90s to complete. Increase timeout for these.

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20240722085547.90650-1-clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
1 file changed