atmel_pwm: Rename the "mck" clock to "pwm_clk"

The name "mck" causes a conflict on AT91. Call it "pwm_clk" instead.

Signed-off-by: Sedji Gaouaou <sedji.gaouaou@atmel.com>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
diff --git a/drivers/misc/atmel_pwm.c b/drivers/misc/atmel_pwm.c
index 0d5ce03..5b5a14d 100644
--- a/drivers/misc/atmel_pwm.c
+++ b/drivers/misc/atmel_pwm.c
@@ -332,7 +332,7 @@
 	p->base = ioremap(r->start, r->end - r->start + 1);
 	if (!p->base)
 		goto fail;
-	p->clk = clk_get(&pdev->dev, "mck");
+	p->clk = clk_get(&pdev->dev, "pwm_clk");
 	if (IS_ERR(p->clk)) {
 		status = PTR_ERR(p->clk);
 		p->clk = NULL;