Enable pcitool check

reset.sh

@@ -2,10 +2,10 @@
 
 PCI=$(which pci)
 
-# if [ -z "$PCI" ]; then
-#     echo "pcitool not found."
-#     exit 1
-# fi
+if [ -z "$PCI" ]; then
+    echo "pcitool not found."
+    exit 1
+fi
 
 function reset_dma () {
     pci --stop-dma dma0r