Add some pre-existing scripts.

lsiommu

@@ -0,0 +1,9 @@
+#!/bin/bash
+shopt -s nullglob
+for g in /sys/kernel/iommu_groups/*; do
+  echo "IOMMU Groups ${g##*/}:"
+  for d in $g/devices/*; do
+    echo -e "\t$(lspci -nns ${d##*/})"
+  done;
+done;
+