OMAP2,3: DSS2: replace printk with dev_dbg in init

This patch replaces printk's in the init/probe functions to dev_dbg
for boot time optimization.

Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c
index 153f963..5f18648 100644
--- a/drivers/video/omap2/dss/rfbi.c
+++ b/drivers/video/omap2/dss/rfbi.c
@@ -1046,7 +1046,7 @@
 	rfbi_write_reg(RFBI_SYSCONFIG, l);
 
 	rev = rfbi_read_reg(RFBI_REVISION);
-	printk(KERN_INFO "OMAP RFBI rev %d.%d\n",
+	dev_dbg(&pdev->dev, "OMAP RFBI rev %d.%d\n",
 	       FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
 
 	rfbi_enable_clocks(0);