roll: third_party/pigweed 3 commits

e12c9358911b3b2 bazel: Add back to CI some building targets
d36dcb9fedb7b88 pw_system: Remove IPython from pw_system console
d6d285ab73303e4 pw_sys_io_baremetal_stm32f429: Add constraint

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 544489798d89ed0..e12c9358911b3b2
Roller-URL: https://ci.chromium.org/b/8743855442252488241
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I5bc55ad06e20a85e22028b4fc9dec8392cc8cf39
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/219035
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 5444897..e12c935 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 544489798d89ed093949379788a949ccc03cafbe
+Subproject commit e12c9358911b3b2df9720aac754e90f242613a6a