serial: sh-sci: Tidy cpufreq printk.

This was a bit more verbose than it needed to be.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 053fca4..e4abd3a 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1432,7 +1432,7 @@
 
 #ifdef CONFIG_CPU_FREQ
 	cpufreq_register_notifier(&sci_nb, CPUFREQ_TRANSITION_NOTIFIER);
-	dev_info(&dev->dev, "sci: CPU frequency notifier registered\n");
+	dev_info(&dev->dev, "CPU frequency notifier registered\n");
 #endif
 
 #ifdef CONFIG_SH_STANDARD_BIOS