m5ops: move to factored .h file

Create empty subs for unsupported archs, much less messy for callers.

bst_vs_heap: create

bst-vs-heap

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+. "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common"
+while getopts "${common_getopts_flags}" OPT; do
+  case "$OPT" in
+    ?)
+      common_getopts_case "$OPT"
+      ;;
+  esac
+done
+shift "$(($OPTIND - 1))"
+"${common_root_dir}/gem5-stat" -a "$common_arch" | awk 'NR % 2 { printf "%d %s ", NR/2, $0; next; } 1'