[keymgr/prim_lfsr] Correct minor errors in core files

Signed-off-by: Michael Schaffner <msf@opentitan.org>
diff --git a/hw/ip/keymgr/keymgr.core b/hw/ip/keymgr/keymgr.core
index e352190..6fd4f55 100644
--- a/hw/ip/keymgr/keymgr.core
+++ b/hw/ip/keymgr/keymgr.core
@@ -62,6 +62,10 @@
     parameters:
       - SYNTHESIS=true
     tools:
+      ascentlint:
+        ascentlint_options:
+          - "-wait_license"
+          - "-stop_on_error"
       verilator:
         mode: lint-only
         verilator_options:
diff --git a/hw/ip/prim/prim_lfsr.core b/hw/ip/prim/prim_lfsr.core
index 2e24b1f..2362e73 100644
--- a/hw/ip/prim/prim_lfsr.core
+++ b/hw/ip/prim/prim_lfsr.core
@@ -25,7 +25,7 @@
       # common waivers
       - lowrisc:lint:common
     files:
-      - lint/prim_otp.waiver
+      # - lint/prim_lfsr.waiver
     file_type: waiver
 
   files_veriblelint_waiver: