thermal: rcar: comment spelling

Signed-off-by: Geert Uytterhoeven <[e-mail]>
Acked-by: Simon Horman <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>

drivers/thermal/rcar_thermal.c

···
 		/* enable temperature comparation */
 		rcar_thermal_common_write(common, ENR, 0x00030303);
 
-		idle = 0; /* polling delaye is not needed */
+		idle = 0; /* polling delay is not needed */
 	}
 
 	for (i = 0;; i++) {