Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
index a045232..f14edd8 100644
--- a/drivers/leds/leds-wm8350.c
+++ b/drivers/leds/leds-wm8350.c
@@ -215,13 +215,13 @@
 
 	isink = regulator_get(&pdev->dev, "led_isink");
 	if (IS_ERR(isink)) {
-		printk(KERN_ERR "%s: cant get ISINK\n", __func__);
+		printk(KERN_ERR "%s: can't get ISINK\n", __func__);
 		return PTR_ERR(isink);
 	}
 
 	dcdc = regulator_get(&pdev->dev, "led_vcc");
 	if (IS_ERR(dcdc)) {
-		printk(KERN_ERR "%s: cant get DCDC\n", __func__);
+		printk(KERN_ERR "%s: can't get DCDC\n", __func__);
 		ret = PTR_ERR(dcdc);
 		goto err_isink;
 	}