NFC: Export a new attribute nfcid1 in target info

The nfcid1 is the NFC-A identifier.
It is exported as an attribute of the target info
(returned as a response to NFC_CMD_GET_TARGET).

Signed-off-by: Ilan Elias <ilane@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 43a1c47..6989dfa 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -67,6 +67,9 @@
 				target->supported_protocols);
 	NLA_PUT_U16(msg, NFC_ATTR_TARGET_SENS_RES, target->sens_res);
 	NLA_PUT_U8(msg, NFC_ATTR_TARGET_SEL_RES, target->sel_res);
+	if (target->nfcid1_len > 0)
+		NLA_PUT(msg, NFC_ATTR_TARGET_NFCID1, target->nfcid1_len,
+				target->nfcid1);
 
 	return genlmsg_end(msg, hdr);