Revert "ANDROID: Reduce log level for couple of prints in hotplug flow"

This reverts commit 074a2b36.

According to Thomas Gleixner this is a *real* warning and should not
be demoted.  If this warning is triggered, something is not right with
the CPU Hotplug implementation.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Change-Id: I49ceac16c33199cd829c7022709d6bd02f0338fa