add copyright + license disclaimers to ccid_common + ccid_host

Change-Id: I1b0f876de337c625081dc5b579dd0a88d62c857c
diff --git a/ccid_common/iso7816_fsm.c b/ccid_common/iso7816_fsm.c
index a9d6ca1..059950f 100644
--- a/ccid_common/iso7816_fsm.c
+++ b/ccid_common/iso7816_fsm.c
@@ -1,6 +1,6 @@
 /* ISO 7816-3 Finite State Machine (reader side)
  *
- * (C) 2019 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2019-2020 by Harald Welte <laforge@gnumonks.org>
  *
  * inspired by earlier work
  * (C) 2016-2017 by Harald Welte <hwelte@hmw-consulting.de>