[roll pigweed] bazel: Add some Python BUILD files

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/104761

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: cc08ad371fa8b99..1716e9c473eab9a
Roller-URL: https://ci.chromium.org/b/8806805001232026257
Cq-Cl-Tag: roller-builder:pigweed-zephyr-roller
Cq-Cl-Tag: roller-bid:8806805001232026257
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I5eed85b602a0abb5e8f3f94c83b28e78e071fbc6
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/104871
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/pigweed b/pigweed
index cc08ad3..1716e9c 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit cc08ad371fa8b99323c4bb48a93bb4cd233186b2
+Subproject commit 1716e9c473eab9a3f9c0b8bf2b3b1f9ea05e9f1b