tests/qtest: add tests for am53c974 device

Use the autogenerated fuzzer test cases as the basis for a set of am53c974
regression tests.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20210407195801.685-13-mark.cave-ayland@ilande.co.uk>
diff --git a/MAINTAINERS b/MAINTAINERS
index 04beb34..36055f1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1772,6 +1772,7 @@
 F: hw/scsi/*
 F: tests/qtest/virtio-scsi-test.c
 F: tests/qtest/fuzz-virtio-scsi-test.c
+F: tests/qtest/am53c974-test.c
 T: git https://github.com/bonzini/qemu.git scsi-next
 
 SSI