roll: third_party/pigweed 61c3616..0d9eecc (3 commits)

0d9eecc:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/299512 pw_digital_io_zephyr: Guard initiator with Kconfig
47cb476:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297712 pw_kernel: Move timer into scheduler
b69fb31:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/299253 pw_multibuf: Add additional v2 tests

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 61c3616d25f742..0d9eeccd9430ed
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8711672804501635425
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I7d4e26182e3b3158f1a00e349409886b35321cf1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/299653
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 61c3616..0d9eecc 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 61c3616d25f7422d4518d8b9f6f975b0fa239816
+Subproject commit 0d9eeccd9430ed3dbaa49e10b2eb28f263a552de