With multi-platform build images, this shows a message on non mediatek
platforms, which is unnecessary. Convert pr_warn() to pr_debug() here.
Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org>
Acked-by: NSean Wang <sean.wang@mediatek.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>