[roll third_party/pigweed] pw_software_update: Provide config option to compile out verification

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/76301

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: e024644a95085fd..915521a53d58430
Roller-URL: https://ci.chromium.org/b/8826680961661638705
Cq-Cl-Tag: roller-builder:pigweed-sample-project-roller
Cq-Cl-Tag: roller-bid:8826680961661638705
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I69192fdc83ed5de1701cc5e2804e6508ed6cedd4
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/sample_project/+/76440
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 e024644..915521a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e024644a95085fde92a895ef39517fd0391f4856
+Subproject commit 915521a53d58430fefd0010c5e9305d7bc315e66