staging:rtl8188eu: Code cleanup fix reported by coccinelle

bool check modified
Signed-off-by: Prasanna Karthik <mkarthi3@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/rf_cfg.c

@@ -295,7 +295,7 @@ static bool rf6052_conf_para(struct adapter *adapt)
 			break;
 		}
 
-		if (rtstatus != true)
+		if (!rtstatus)
 			return false;
 	}