ssb: Remove home-grown printk wrappers

Replace the ssb printk wrappers by standard print helpers.
Also remove SSB_SILENT. Nobody should use it anyway.

Originally submitted by Joe Perches <joe@perches.com>.
Modified to add dev_... based printks.

Signed-off-by: Michael Buesch <m@bues.ch>
Tested-by: Michael Buesch <m@bues.ch>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c
index 59385fd..06b68dd 100644
--- a/drivers/ssb/driver_extif.c
+++ b/drivers/ssb/driver_extif.c
@@ -10,12 +10,12 @@
  * Licensed under the GNU/GPL. See COPYING for details.
  */
 
+#include "ssb_private.h"
+
 #include <linux/serial.h>
 #include <linux/serial_core.h>
 #include <linux/serial_reg.h>
 
-#include "ssb_private.h"
-
 
 static inline u32 extif_read32(struct ssb_extif *extif, u16 offset)
 {