freedreno/crashdec: Add another prefetch test

Constructed with an invalid packet (0xdeadd00d) so there is no ambiguity
in the crash location.

This is expected to fail until the next commit.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19551>

src/freedreno/decode/meson.build

@@ -205,6 +205,7 @@ if with_tests
   crashdec_tests = [
     ['crash', ['-sf']],
     ['crash_prefetch', ['-sf']],
+    ['prefetch-test', ['-sf']],
   ]
   foreach crashdec_test: crashdec_tests
     name = crashdec_test[0]