staging: rts5208: Remove unnecessary parentheses.

Return is not a method and doesn't need parentheses. Removed unnecaasary
parentheses.
Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>

drivers/staging/rts5208/rtsx_card.c

@@ -624,7 +624,7 @@ void rtsx_init_cards(struct rtsx_chip *chip)
 
 static inline u8 double_depth(u8 depth)
 {
-	return ((depth > 1) ? (depth - 1) : depth);
+	return (depth > 1) ? (depth - 1) : depth;
 }
 
 int switch_ssc_clock(struct rtsx_chip *chip, int clk)