run: detect QEMU panics by log parsing

Add correct error messages to kernel v4.17 gem5 boot failures

run

@@ -399,3 +399,9 @@ if [ -z "$debug_vm" ]; then
 "
 fi
 "${common_root_dir}/eeval" "$cmd" "${common_run_dir}/run.sh"
+if ! "$common_gem5"; then
+  if grep 'Kernel panic - not syncing' "$common_termout_file"; then
+    echo 'Kernel panic detected by parsing the terminal output. Exiting with status 1.'
+    exit 1
+  fi
+fi