roll: third_party/pigweed 2 commits

9c34c1d5ec37823 pw_spi_mcuxpresso: Separate Bazel build targets
d3e6e664ebf362e pw_spi_mcuxpresso: Fix unused paramter warning

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 4e881b4bf42a8d4..9c34c1d5ec37823
Roller-URL: https://ci.chromium.org/b/8744504100758448385
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I40873f16af62c314fa7604108dcdbe45d7ba5c46
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/217391
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: 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 4e881b4..9c34c1d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 4e881b4bf42a8d451349364f4aec1d0b8e890033
+Subproject commit 9c34c1d5ec37823f458a8a7f209d382447d5f58a