[third_party/pigweed] Roll 4 commits

7b7d2fd94a5d29c pw_build: Add chipset constraint for imxrt500 fami
07d564b6cd7e9cd pw_presubmit: reST format end-of-file formatting
618d59adc376e67 pw_bluetooth: Add HCI informational commands
0a8168cbf0c950d pw_thread: Fix remaining compilability issues

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: aa19504faca0b72..7b7d2fd94a5d29c
Roller-URL: https://ci.chromium.org/b/8749025141018235937
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I9e852c7fcc4a69142f3baa455d55ff5a4f078321
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/208111
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 aa19504..7b7d2fd 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit aa19504faca0b7212ed0abd14e99dd96908f9aa8
+Subproject commit 7b7d2fd94a5d29c3e03389a4dccc58689e330a40