[roll third_party/pigweed] pw_thread_stl: Add CMake support

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/79475

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 3367d2eb8028453..c031e1d5b13f185
Roller-URL: https://ci.chromium.org/b/8824466715152464401
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8824466715152464401
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I2366c0adbc5ffc368667e90f9d79939c27bd037e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/80643
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 3367d2e..c031e1d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3367d2eb80284531eba875daec92555309eaea76
+Subproject commit c031e1d5b13f1855b8d141c6c5ce43a99fc4f09b