The kernel provides specialized macros for printing
info and warning messages which make the code shorter.

Use the specialized macros instead of bare printk()'s.

Also format one user visible string literal into a searchable one
line string.
Suggested-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NDmitry Rozhkov <dmitry.rozhkov@linux.intel.com>
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>