[roll third_party/pigweed] stm32cube: Fix H7 build

Ignores two more warnings to get H7 to build.
Verified by building and running binary on H7 board.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/55048

third_party/pigweed Rolled-Commits: 063a9f7ff691776..dac4f524fd45ef6
Roller-URL: https://ci.chromium.org/b/8840352092615582128
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8840352092615582128
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iab2c8481cd447d789fa9354dc80c13bae4fa0f55
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/55102
Reviewed-by: 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 063a9f7..dac4f52 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 063a9f7ff6917765003cb2b82e3bbbe8ecbce108
+Subproject commit dac4f524fd45ef6a2871d44c23ec66f97c4f08c4