Feature/bacnet secure connect hub (#818)

* Added BACnet Secure Connect datalink.

* Added BACnet/SC hub application
---------

Co-authored-by: Kirill Neznamov <kirill.neznamov@dsr-corporation.com>
Co-authored-by: Mikhail Antropov <michail.antropov@dsr-corporation.com>
Co-authored-by: Ondřej Hruška <ondra@ondrovo.com>
Co-authored-by: Patrick Grimm <patrick@lunatiki.de>

test/bacnet/channel_value/CMakeLists.txt

@@ -41,6 +41,9 @@ add_executable(${PROJECT_NAME}
     ${SRC_DIR}/bacnet/bacstr.c
     ${SRC_DIR}/bacnet/bactext.c
     ${SRC_DIR}/bacnet/basic/sys/bigend.c
+    ${SRC_DIR}/bacnet/basic/sys/days.c
+    ${SRC_DIR}/bacnet/datetime.c
+    ${SRC_DIR}/bacnet/hostnport.c
     ${SRC_DIR}/bacnet/indtext.c
     ${SRC_DIR}/bacnet/lighting.c
     # Test and test library files