hwmon: ibmpex: remove unnecessary (void*) conversions

Pointer variables of void * type do not require type cast.
Signed-off-by: XU pengfei <xupengfei@nfschina.com>
Link: https://lore.kernel.org/r/20230111043605.3726-1-xupengfei@nfschina.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/ibmpex.c

@@ -546,7 +546,7 @@ static void ibmpex_bmc_gone(int iface)
 
 static void ibmpex_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data)
 {
-	struct ibmpex_bmc_data *data = (struct ibmpex_bmc_data *)user_msg_data;
+	struct ibmpex_bmc_data *data = user_msg_data;
 
 	if (msg->msgid != data->tx_msgid) {
 		dev_err(data->bmc_device,