Fix regressive zephyr unit tests (#339)

zephyr/tests/bacnet/basic/object/objects/CMakeLists.txt

@@ -47,6 +47,10 @@ if(BOARD STREQUAL unit_testing)
     ${BACNET_SRC}/wp.c
     ${BACNET_BASIC_SRC}/sys/keylist.c
     ${BACNET_SRC}/hostnport.c
+    ${BACNET_SRC}/dailyschedule.c
+    ${BACNET_SRC}/weeklyschedule.c
+    ${BACNET_SRC}/basic/sys/bigend.c
+    ${BACNET_SRC}/bactimevalue.c
     )
 
   include($ENV{ZEPHYR_BASE}/subsys/testsuite/unittest.cmake)