staging: rts5208: Unnecessary parentheses cleanup

Remove parentheses found by checkpatch
Signed-off-by: Wayne Porter <wporter82@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rts5208/rtsx_sys.h

@@ -32,9 +32,9 @@ static inline void rtsx_exclusive_enter_ss(struct rtsx_chip *chip)
 {
 	struct rtsx_dev *dev = chip->rtsx;
 
-	spin_lock(&(dev->reg_lock));
+	spin_lock(&dev->reg_lock);
 	rtsx_enter_ss(chip);
-	spin_unlock(&(dev->reg_lock));
+	spin_unlock(&dev->reg_lock);
 }
 
 static inline void rtsx_reset_detected_cards(struct rtsx_chip *chip, int flag)