[roll third_party/pigweed] targets/stm32f429i_disc1_stm32cube: Add target

Adds a new stm32f429i_disc1 target that uses the STM32Cube HAL and
FreeRTOS.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/72963

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 387ae513b684e3c..c62a2d2d66bce61
Roller-URL: https://ci.chromium.org/b/8828280856014938641
Cq-Cl-Tag: roller-builder:pigweed-sample-project-roller
Cq-Cl-Tag: roller-bid:8828280856014938641
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I08c65efbd714346d045e08fe00d4eee145b19635
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/sample_project/+/73420
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 387ae51..c62a2d2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 387ae513b684e3c9e76118c83c2223cc29596db3
+Subproject commit c62a2d2d66bce615bbf5814ff004553bd8ef9dd9