i2c: Add missing KERN_* constants to printks

According to kerneljanitors todo list all printk calls (beginning
a new line) should have an according KERN_* constant.
Those are the missing pieces here for the i2c subsystem.

Signed-off-by: Frank Seidel <frank@f-seidel.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index bdb1f751..c1405c8 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -210,11 +210,12 @@
 static void i2c_pxa_scream_blue_murder(struct pxa_i2c *i2c, const char *why)
 {
 	unsigned int i;
-	printk("i2c: error: %s\n", why);
-	printk("i2c: msg_num: %d msg_idx: %d msg_ptr: %d\n",
+	printk(KERN_ERR "i2c: error: %s\n", why);
+	printk(KERN_ERR "i2c: msg_num: %d msg_idx: %d msg_ptr: %d\n",
 		i2c->msg_num, i2c->msg_idx, i2c->msg_ptr);
-	printk("i2c: ICR: %08x ISR: %08x\n"
-	       "i2c: log: ", readl(_ICR(i2c)), readl(_ISR(i2c)));
+	printk(KERN_ERR "i2c: ICR: %08x ISR: %08x\n",
+	       readl(_ICR(i2c)), readl(_ISR(i2c)));
+	printk(KERN_DEBUG "i2c: log: ");
 	for (i = 0; i < i2c->irqlogidx; i++)
 		printk("[%08x:%08x] ", i2c->isrlog[i], i2c->icrlog[i]);
 	printk("\n");