staging: wfx: take advantage of le32_to_cpup()

le32_to_cpu(*x) can be advantageously converted in le32_to_cpup(x).
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-3-Jerome.Pouiller@silabs.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wfx/hif_rx.c

@@ -22,7 +22,7 @@ static int hif_generic_confirm(struct wfx_dev *wdev,
 			       const struct hif_msg *hif, const void *buf)
 {
 	// All confirm messages start with status
-	int status = le32_to_cpu(*((__le32 *) buf));
+	int status = le32_to_cpup((__le32 *)buf);
 	int cmd = hif->id;
 	int len = hif->len - 4; // drop header