roll: third_party/pigweed 0afdf90..57dcbc2 (2 commits)

57dcbc2:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/260261 pw_libc: Add logf() tests
64aa968:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/260833 pw_toolchain: Remove nofp Cortex-M toolchains

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 0afdf903105c46..57dcbc291db275
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8725530374103329393
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I3c7464ad2ecfdd53d5f9bae73df95373af4d8a40
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/261052
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 0afdf90..57dcbc2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 0afdf903105c46e8572591de16b7fd2964ad0874
+Subproject commit 57dcbc291db2754ed2b40b3ebbcee715574bb0d9