add powertop

mx-linux/mx-21.sh

@@ -13,6 +13,7 @@ apt-get install $1 gir1.2-handy-1
 
 #<-- TLP – Linux Advanced Power Management 
 apt-get install $1 tlp tlpui tlp-rdw
+apt-get install $1 powertop
 #--> TLP
 
 apt-get install $1 net-tools