build(deps): bump third_party/liteeth from `bbed8f1` to `a57178a` (#3259)

Bumps [third_party/liteeth](https://github.com/enjoy-digital/liteeth) from `bbed8f1` to `a57178a`.
- [Commits](https://github.com/enjoy-digital/liteeth/compare/bbed8f1c9526c8c5f3352a5e3e9fb2f5d45b2f3c...a57178ac265096f5caa7e1bf2bfee24a2ff54a3b)

---
updated-dependencies:
- dependency-name: third_party/liteeth
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
diff --git a/third_party/liteeth b/third_party/liteeth
index bbed8f1..a57178a 160000
--- a/third_party/liteeth
+++ b/third_party/liteeth
@@ -1 +1 @@
-Subproject commit bbed8f1c9526c8c5f3352a5e3e9fb2f5d45b2f3c
+Subproject commit a57178ac265096f5caa7e1bf2bfee24a2ff54a3b