backlight: jornada720: Remove 'else' after a return

Fixed the following checkpatch warning.

  WARNING: else is not generally useful after a break or return
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/video/backlight/jornada720_bl.c

@@ -41,11 +41,11 @@ static int jornada_bl_get_brightness(struct backlight_device *bd)
 		dev_err(&bd->dev, "get brightness timeout\n");
 		jornada_ssp_end();
 		return -ETIMEDOUT;
-	} else {
-		/* exchange txdummy for value */
-		ret = jornada_ssp_byte(TXDUMMY);
 	}
 
+	/* exchange txdummy for value */
+	ret = jornada_ssp_byte(TXDUMMY);
+
 	jornada_ssp_end();
 
 	return BL_MAX_BRIGHT - ret;