[otp_ctrl] Switch lint target to top-level version

Signed-off-by: Michael Schaffner <msf@opentitan.org>
diff --git a/hw/top_earlgrey/lint/top_earlgrey_lint_cfgs.hjson b/hw/top_earlgrey/lint/top_earlgrey_lint_cfgs.hjson
index 4e9745f..d090834 100644
--- a/hw/top_earlgrey/lint/top_earlgrey_lint_cfgs.hjson
+++ b/hw/top_earlgrey/lint/top_earlgrey_lint_cfgs.hjson
@@ -81,6 +81,12 @@
                   fusesoc_core: lowrisc:ip:otp_ctrl
                   import_cfgs: ["{proj_root}/hw/lint/data/common_lint_cfg.hjson"]
                   rel_path: "hw/ip/otp_ctrl/lint/{tool}"
+                  overrides: [
+                    {
+                      name: design_level
+                      value: "top"
+                    }
+                  ]
              },
              {    name: padctrl
                   fusesoc_core: lowrisc:ip:padctrl