roll: third_party/pigweed pw_kernel: Remove use of associative containers for named config objects

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/346612
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Original-Revision: 078ce08fab0ab4292c159e2df8d725b6f8543b1a

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: a92accd339b328..078ce08fab0ab4
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8696534707307618257
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Change-Id: I6803741a696f906b55630f0cfc49e3345e1f049e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/350494
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
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diff --git a/third_party/pigweed b/third_party/pigweed
index a92accd..078ce08 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit a92accd339b328e8aaa2b93ea1bbc40d177c53a8
+Subproject commit 078ce08fab0ab4292c159e2df8d725b6f8543b1a