overlay profiles: Install ntp modifications on generic images

Author: krnowak

sdk_container/src/third_party/coreos-overlay/profiles/coreos/targets/generic/package.use

@@ -7,8 +7,8 @@ app-editors/vim		minimal -crypt
 # minimal: Don't pull app-vim/gentoo-syntax
 app-editors/vim-core	minimal
 
-# Install our modifications and compatibility symlinks for ssh
-coreos-base/misc-files openssh
+# Install our modifications and compatibility symlinks for ssh and ntp
+coreos-base/misc-files openssh ntp
 
 dev-lang/python		gdbm
 dev-libs/dbus-glib	tools