All the error messages in the driver but  the ones from devm_clk_get() failures
use similar format.  Make those  two messages consitent with others.
Signed-off-by: NSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: NMarc Kleine-Budde <mkl@pengutronix.de>