tests/qtest: Only run fuzz-megasas-test if megasas device is available

This test fails when QEMU is built without the megasas device,
restrict it to its availability.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 5ca3c9f..0f560d1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1969,6 +1969,7 @@
 F: hw/scsi/megasas.c
 F: hw/scsi/mfi.h
 F: tests/qtest/megasas-test.c
+F: tests/qtest/fuzz-megasas-test.c
 
 Network packet abstractions
 M: Dmitry Fleytman <dmitry.fleytman@gmail.com>