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 <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>

drivers/video/backlight/jornada720_bl.c

···
 		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();