staging: rtl8723bs: hal: odm_HWConfig.c: Remove unnecessary parentheses

Challenge suggested by coccinelle.
Remove unnecessary parentheses around an expression, add spaces around
operator and remove trailing space.
Signed-off-by: Payal Kshirsagar <payal.s.kshirsagar.98@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/odm_HWConfig.c

@@ -19,7 +19,7 @@ static u8 odm_QueryRxPwrPercentage(s8 AntPower)
 	else if (AntPower >= 0)
 		return	100;
 	else
-		return	(100+AntPower);
+		return 100 + AntPower;
 
 }