[third_party/pigweed] Roll 2 commits

bb1870ce1c8d99a many: Disable tests incompatible with rp2040
0d0c7118316bb53 many: Fix uses of std::chrono literals

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 8581d429e8d5a10..bb1870ce1c8d99a
Roller-URL: https://ci.chromium.org/b/8755983409528190769
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I685d7144b7a2dd934e12c4832e8c63516b0f9362
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/192872
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 8581d42..bb1870c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 8581d429e8d5a10a652cc8dc0ed79a418e5b68c9
+Subproject commit bb1870ce1c8d99afe0fdf87212a0f19337572ee9