Update adding LDO symbol

diff --git a/sch-pcb/waeda-sym b/sch-pcb/waeda-sym
index 6cbd37e92be003ef79c6b2abb81b9b80d97c2267..309e131cfc95af0f470075f704d4a11ded5fe8ef 160000 (submodule)
--- a/sch-pcb/waeda-sym
+++ b/sch-pcb/waeda-sym
@@ -1 +1 @@
-Subproject commit 6cbd37e92be003ef79c6b2abb81b9b80d97c2267
+Subproject commit 309e131cfc95af0f470075f704d4a11ded5fe8ef