update horribly outdated copyright statement on VTY

Change-Id: I26cda7826e9d648ea086bb408293e431a9cac206
diff --git a/src/pcu_vty.c b/src/pcu_vty.c
index 6b33e29..244a58a 100644
--- a/src/pcu_vty.c
+++ b/src/pcu_vty.c
@@ -1241,8 +1241,8 @@
 }
 
 static const char pcu_copyright[] =
-	"Copyright (C) 2012 by Ivan Kluchnikov <kluchnikovi@gmail.com> and \r\n"
-	"                      Andreas Eversberg <jolly@eversberg.eu>\r\n"
+	"Copyright (C) 2012-2013 by Ivan Kluchnikov and Andreas Eversberg\r\n"
+	"Copyright (C) 2013-2022 by sysmocom - s.f.m.c. GmbH\r\n"
 	"License GNU GPL version 2 or later\r\n"
 	"This is free software: you are free to change and redistribute it.\r\n"
 	"There is NO WARRANTY, to the extent permitted by law.\r\n";