Update gammarus

Change-Id: I6f14a22697744e7f9a0078e2a2a17f05697a3cb6
Depends-on: https://cesnet-gerrit-czechlight/c/CzechLight/gammarus/+/3367
Depends-on: https://gerrit.cesnet.cz/c/CzechLight/gammarus/+/3367
diff --git a/package/gammarus/gammarus.mk b/package/gammarus/gammarus.mk
index 8315285..6a11f92 100644
--- a/package/gammarus/gammarus.mk
+++ b/package/gammarus/gammarus.mk
@@ -9,4 +9,8 @@
 	$(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) DESTDIR=$(TARGET_DIR) install
 endef
 
+define GAMMARUS_USERS
+	yangnobody 333666 nobody * - - - Anonymous operations via RESTCONF
+endef
+
 $(eval $(generic-package))
diff --git a/submodules/gammarus b/submodules/gammarus
index 8344e28..ee4affa 160000
--- a/submodules/gammarus
+++ b/submodules/gammarus
@@ -1 +1 @@
-Subproject commit 8344e288344e5b4ad67e497157bb6375b1ee0456
+Subproject commit ee4affaed7b450e79d72793bd114d7f88c42fc67