NFC: Export nfc_hci_result_to_errno as it can be needed by HCI drivers

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index 639f50a..150e3ca 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -149,6 +149,8 @@
 
 void nfc_hci_driver_failure(struct nfc_hci_dev *hdev, int err);
 
+int nfc_hci_result_to_errno(u8 result);
+
 /* Host IDs */
 #define NFC_HCI_HOST_CONTROLLER_ID	0x00
 #define NFC_HCI_TERMINAL_HOST_ID	0x01