[third_party/pigweed] Roll 2 commits

58119f625055d42 pw_env_setup: Add docstrings to visitors
3ab03722caee67c pw_env_setup: Sort pigweed_environment.gni lines

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: e7488c09099a958..58119f625055d42
Roller-URL: https://ci.chromium.org/b/8774564986318481057
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ib989a43df7d819d36f20eb26f8c217d2a1a98e7b
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/159650
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index e7488c0..58119f6 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e7488c09099a958969beb3f081f83aacb0c13caf
+Subproject commit 58119f625055d4210db53c7231b1bb14e3ae470e