[third_party/pigweed] Roll 2 commits

c2f4080e6740243 pw_chrono_freertos: Add CMake support
6689f68d619aeae pw_assert_tokenized: Highly compressed asserts

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: f27605ea5da31e3..c2f4080e6740243
Roller-URL: https://ci.chromium.org/b/8824484368900361329
Cq-Cl-Tag: roller-builder:pigweed-sample-project-roller
Cq-Cl-Tag: roller-bid:8824484368900361329
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Id82f482140a991659ee31690d3a8035d5a9660ba
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/sample_project/+/80320
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 f27605e..c2f4080 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f27605ea5da31e32523301bc37e47592233d7a8d
+Subproject commit c2f4080e674024338234d10bb62365a7c024d7c7