roll: pigweed pw_toolchain: Split out build-system specific docs

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/238816
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: bf7078a044353df9683ecb65561a0edca45a4f95

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 06f958a5ab8a2c..bf7078a044353d
Roller-URL: https://ci.chromium.org/b/8735331637172239505
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I3d8789dffbc3b2620e018a643e05f34ead85697c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/showcase/sense/+/238828
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/MODULE.bazel b/MODULE.bazel
index e8f8839..e0851c6 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -50,8 +50,8 @@
     module_name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-09-30.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8735333537726276881.
-    commit = "06f958a5ab8a2c9d30ac07fabdf28c2ecff147a6",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8735331637172239505.
+    commit = "bf7078a044353df9683ecb65561a0edca45a4f95",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
 )
 
@@ -59,8 +59,8 @@
     module_name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-09-30.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8735333537726276881.
-    commit = "06f958a5ab8a2c9d30ac07fabdf28c2ecff147a6",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8735331637172239505.
+    commit = "bf7078a044353df9683ecb65561a0edca45a4f95",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed",
     strip_prefix = "pw_toolchain_bazel",
 )