[roll third_party/pigweed] pw_toolchain: arm_none_eabi_gcc_support library

The arm_none_eabi_gcc_support group collects libraries that should be
used when building with arm-none-eabi-gcc. Targets using that compiler
should add this target to pw_build_LINK_DEPS.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/112268

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: edf53b2f0cd9384..3bfceac6441a13b
Roller-URL: https://ci.chromium.org/b/8801752392997695489
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ie392a381c2e053de1e1790e993bc3cdad16e3472
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/112436
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/third_party/pigweed b/third_party/pigweed
index edf53b2..3bfceac 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit edf53b2f0cd9384e3f15a0cf4777c2399e96ee94
+Subproject commit 3bfceac6441a13bebd7c2de6017ffc5a04807e44