[third_party/pigweed] Roll 2 commits

262a9aaf40ddbe6 pw_log_zephyr: Tokenize Zephyr shell fprintf
111df21a5bc108e pw_presubmit: Fix copy/paste bug in _value()

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: e1fa7dc22ad709d..262a9aaf40ddbe6
Roller-URL: https://ci.chromium.org/b/8751008103385416961
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Id3a2f4b38daa8df4da24ced9b6f8a7f937a77884
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/202950
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index e1fa7dc..262a9aa 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e1fa7dc22ad709d421293d5ade0a40bce6db13fa
+Subproject commit 262a9aaf40ddbe6f349d9e78d9b678ae2367e7a3