Use libnetconf2-cpp

Change-Id: I45dd7f24136edc57235fbb6abe14f2d48a5388c0
Depends-on: https://gerrit.cesnet.cz/c/CzechLight/dependencies/+/5432
Depends-on: https://gerrit.cesnet.cz/c/CzechLight/br2-external/+/5629
diff --git a/src/cli.cpp b/src/cli.cpp
index 24ed37e..3ed40e8 100644
--- a/src/cli.cpp
+++ b/src/cli.cpp
@@ -170,7 +170,7 @@
 #elif defined(NETCONF_CLI)
     auto verbose = args.at("-v").asBool();
     if (verbose) {
-        NetconfAccess::setNcLogLevel(NC_VERB_DEBUG);
+        NetconfAccess::setNcLogLevel(libnetconf::LogLevel::Debug);
     }
 
     SshProcess process;