roll: pigweed, pw_toolchain: targets/rp2040: Fix assert basic termination behavior

Prevents calls to std::fflush(), which doesn't work with llvm-libc on
Cortex-M0+ right now.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/223580
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: d616e78205d88ba..bce5a2c840bcf60
Roller-URL: https://ci.chromium.org/b/8742207019201345409
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I1cd2781a346ffe955695ab3b7566246a343c8b52
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/223541
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/WORKSPACE b/WORKSPACE
index 4900817..dca1c69 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-07-17.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8742207418859063265.
-    commit = "d616e78205d88ba76d5f10a3a2020289bd6248e0",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8742207019201345409.
+    commit = "bce5a2c840bcf60c6bd6a70df66e168c962428a1",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
 )
 
@@ -93,8 +93,8 @@
     name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-07-17.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8742207418859063265.
-    commit = "d616e78205d88ba76d5f10a3a2020289bd6248e0",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8742207019201345409.
+    commit = "bce5a2c840bcf60c6bd6a70df66e168c962428a1",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )