tests/functional: Convert Aarch64 Raspi4 avocado tests

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

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240826221058.75126-5-philmd@linaro.org>
[thuth: Use LinuxKernelTest class]
Message-ID: <20240906180549.792832-12-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 828c469..c59f7b2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -913,6 +913,7 @@
 F: docs/system/arm/raspi.rst
 F: tests/functional/test_arm_raspi2.py
 F: tests/functional/test_aarch64_raspi3.py
+F: tests/functional/test_aarch64_raspi4.py
 
 Real View
 M: Peter Maydell <peter.maydell@linaro.org>