roll: third_party/pigweed 8d5512e..d7bdeda (4 commits)

d7bdeda:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272794 pw_kernel: Move scheduler locks into a sub-module
b979d61:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272773 pw_toolchain: ARM Cortex-M4f configs
323d1bf:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272793 pw_kernel: Use mod_name.rs instead of mod_name/mod.rs
e319db3:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/232351 pw_metric: Use atomic operations

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 8d5512ebf79f25..d7bdedaef167d4
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8721220285065878721
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I79640ce1981c3d0b27518b1065757567889708bf
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/kudzu/+/273003
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 8d5512e..d7bdeda 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 8d5512ebf79f25462cb3abaa2a2ecc2ebda6dc01
+Subproject commit d7bdedaef167d4bb69ecf5426d71e7208f52685c