mako_hotplug: fix checkpatch warnings

Change-Id: I79f4bad71947c0074815e1eb6dc8482b5a219ddd
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: we can shift left here instead.

Change-Id: I29b2a1b5601248f4fa29f882e72e973694520c7a
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
mako_hotplug: fix a bug where all cores could stay indefinitely online

if userspace (either root command or an app) onlined all cores when the counter was < 10.
Fix it by querying the num_online_cpus() every sample (100ms).

Change-Id: Ia3e01e647b1d451a31e237c735445d711ac35e30
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>