switch gateway grp to dhcp

hosts.ini

@@ -1,8 +1,8 @@
-#[bootstrap]
-# new hosts will go here once bootstrap role has been transferred
+[bootstrap]
+# put ip address of newly built machines here
 
-[gateway]
-10.0.0.2
+[dhcp]
+gateway
 
 [nas]
 nas
@@ -13,7 +13,7 @@ tvheadend
 [heyu]
 x10
 
-[kodi]
+[libreelec]
 kodilr
 kodimb
 kodijb
@@ -25,7 +25,7 @@ arm
 warchildstory.com
 shareunderware.com
 
-[kodi:vars]
+[libreelec:vars]
 ansible_ssh_user=root
 
 #[weber]