staging: rtl8723bs: Remove unnecessary parentheses

Challenge suggested by coccinelle.
Remove unnecessary parentheses around expressions and add spaces around operator.
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.c

@@ -1076,7 +1076,7 @@ u32 ODM_Get_Rate_Bitmap(
 	/* printk("%s ==> rssi_level:0x%02x, WirelessMode:0x%02x, rate_bitmap:0x%08x\n", __func__, rssi_level, WirelessMode, rate_bitmap); */
 	ODM_RT_TRACE(pDM_Odm, ODM_COMP_RA_MASK, ODM_DBG_LOUD, (" ==> rssi_level:0x%02x, WirelessMode:0x%02x, rate_bitmap:0x%08x\n", rssi_level, WirelessMode, rate_bitmap));
 
-	return (ra_mask&rate_bitmap);
+	return ra_mask & rate_bitmap;
 
 }