pan/decode: Append 0:0 spills:fills to blobber-db

At the moment there's no need to actually count these but we do need a
placeholder for report.py to be happy.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>

src/panfrost/pandecode/decode.c

 
                 printf("shader%d - MESA_SHADER_%s shader: "
                         "%u inst, %u bundles, %u quadwords, "
-                        "%u registers, %u threads, 0 loops\n\n\n",
+                        "%u registers, %u threads, 0 loops, 0:0 spills:fills\n\n\n",
                         shader_id++,
                         shader_type_for_job(type),
                         stats.instruction_count, stats.bundle_count, stats.quadword_count,