added iommu-discovery utility

noos-noarch/home/bryanpedini/bin/iommu-discovery

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+for d in /sys/kernel/iommu_groups/*/devices/*; do
+    n=${d#*/iommu_groups/*}; n=${n%%/*}
+    printf 'IOMMU Group %s ' "$n"
+    lspci -nns "${d##*/}"
+done;