The clock may be provided by a driver which is yet to probe. Print the
actual error code as well.
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: NSebastian Reichel <sre@kernel.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>