log_mgmt: add stub for log_mgmt_impl_set_watermark
diff --git a/cmd/log_mgmt/port/mynewt/pkg.yml b/cmd/log_mgmt/port/mynewt/pkg.yml
index 5c3ec60..6996e7d 100644
--- a/cmd/log_mgmt/port/mynewt/pkg.yml
+++ b/cmd/log_mgmt/port/mynewt/pkg.yml
@@ -25,7 +25,6 @@
 
 pkg.deps:
     - '@apache-mynewt-mcumgr/cmd/log_mgmt'
-    - '@apache-mynewt-core/sys/log'
     - '@apache-mynewt-mcumgr/mgmt'
 
 pkg.init:
diff --git a/cmd/log_mgmt/src/stubs.c b/cmd/log_mgmt/src/stubs.c
index 7ce61cf..05706e5 100644
--- a/cmd/log_mgmt/src/stubs.c
+++ b/cmd/log_mgmt/src/stubs.c
@@ -63,3 +63,9 @@
 {
     return MGMT_ERR_ENOTSUP;
 }
+
+int __attribute__((weak))
+log_mgmt_impl_set_watermark(struct log_mgmt_log *log, int index)
+{
+    return MGMT_ERR_ENOTSUP;
+}