astlpc: Add mctp_astlpc_destroy()

Provide an abstraction to cleanup memory to avoid false-positives with
leak sanitizers.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: Ib73506432eed108cb992cfc12b40c479b0321463
diff --git a/libmctp-astlpc.h b/libmctp-astlpc.h
index e55f7a1..9759ff1 100644
--- a/libmctp-astlpc.h
+++ b/libmctp-astlpc.h
@@ -29,6 +29,7 @@
 struct mctp_binding_astlpc *mctp_astlpc_init_ops(
 		const struct mctp_binding_astlpc_ops *ops,
 		void *ops_data, void *lpc_map);
+void mctp_astlpc_destroy(struct mctp_binding_astlpc *astlpc);
 
 struct mctp_binding *mctp_binding_astlpc_core(struct mctp_binding_astlpc *b);