net: cdc_ncm: fix typo in test for supported formats

There is a typo here where we test for USB_CDC_NCM_NTH32_SIGN instead
of USB_CDC_NCM_NTB32_SUPPORTED.  The test probably still works as
written because 0x686D636E has (1 << 1) set and doesn't have (1 << 0)
set.

Fixes: f8afb73d ('net: cdc_ncm: factor out one-time device initialization')
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/usb/cdc_ncm.c

@@ -357,7 +357,8 @@ static int cdc_ncm_init(struct usbnet *dev)
 	 * "The host shall only send this command while the NCM Data
 	 *  Interface is in alternate setting 0."
 	 */
-	if (le16_to_cpu(ctx->ncm_parm.bmNtbFormatsSupported) & USB_CDC_NCM_NTH32_SIGN) {
+	if (le16_to_cpu(ctx->ncm_parm.bmNtbFormatsSupported) &
+						USB_CDC_NCM_NTB32_SUPPORTED) {
 		dev_dbg(&dev->intf->dev, "Setting NTB format to 16-bit\n");
 		err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_FORMAT,
 				       USB_TYPE_CLASS | USB_DIR_OUT