[rv_timer] Add signoff commit id to project Hjson
diff --git a/hw/ip/rv_timer/data/rv_timer.prj.hjson b/hw/ip/rv_timer/data/rv_timer.prj.hjson
index b249301..3a4308e 100644
--- a/hw/ip/rv_timer/data/rv_timer.prj.hjson
+++ b/hw/ip/rv_timer/data/rv_timer.prj.hjson
@@ -8,4 +8,5 @@
     life_stage:         "L2",
     design_stage:       "D3",
     verification_stage: "V3",
+    notes:              "Signoff commit id: a4638684103da48c793301243759e9d1eb2cb9dc"
 }