mesh/cfg_srv.c: Fix Vendor Model Subscription Get procedure Invalid argument was passed to bt_mesh_model_tree_walk.
mesh/cfg_srv.c: Fix Vendor Model Subscription Get procedure
Invalid argument was passed to bt_mesh_model_tree_walk.

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble