Fixes the following:
WARNING: Prefer pr_warn(... to pr_warning(...
	pr_warning("Waiting for status bits 0x%x to clear timed out\n",
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NThierry Reding <thierry.reding@avionic-design.de>