NFC: Call the DEP link down ops even when in target mode

Even in target mode we need to let the driver know that we want to
bring the DEP link down.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

net/nfc/core.c

@@ -268,11 +268,6 @@ int nfc_dep_link_down(struct nfc_dev *dev)
 		goto error;
 	}
 
-	if (dev->rf_mode == NFC_RF_TARGET) {
-		rc = -EOPNOTSUPP;
-		goto error;
-	}
-
 	rc = dev->ops->dep_link_down(dev);
 	if (!rc) {
 		dev->dep_link_up = false;