mfd: Update WARN uses

Remove KERN_<level>.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index c2b698d..4f674275 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -199,8 +199,7 @@
 			if (service & 1) {
 				struct irq_desc *desc = irq_to_desc(irq);
 
-				if (WARN(!desc, KERN_WARNING
-						"Invalid PCAP IRQ %d\n", irq))
+				if (WARN(!desc, "Invalid PCAP IRQ %d\n", irq))
 					break;
 
 				if (desc->status & IRQ_DISABLED)
@@ -282,7 +281,7 @@
 	mutex_lock(&pcap->adc_mutex);
 	req = pcap->adc_queue[pcap->adc_head];
 
-	if (WARN(!req, KERN_WARNING "adc irq without pending request\n")) {
+	if (WARN(!req, "adc irq without pending request\n")) {
 		mutex_unlock(&pcap->adc_mutex);
 		return IRQ_HANDLED;
 	}