tests/functional: Convert ARM Integrator/CP avocado tests

tests/functional: Convert ARM Integrator/CP avocado tests

Straight forward conversion. Update the SHA1 hashes to SHA256
hashes since SHA1 should not be used anymore nowadays.

  $ QEMU_TEST_ALLOW_UNTRUSTED_CODE=1 make check-functional-arm
  ...
  6/6 qemu:func-thorough+func-arm-thorough+thorough / func-arm-arm_integratorcp   OK   3.90s   2 subtests passed

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240822110238.82312-1-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240830133841.142644-34-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>