[roll third_party/pigweed] pw_log_zephyr: Add RPC logging support

Add RPC logging support

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/141952

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 7f101691a2f46d5..fbee260fd2a8147
Roller-URL: https://ci.chromium.org/b/8780299655030716913
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Id80e1c9d098ea532d523925f3d4ab2bf9f2308a6
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/148510
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 7f10169..fbee260 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7f101691a2f46d5f555db4201a3e1d79757646a0
+Subproject commit fbee260fd2a8147e93a2a7ea16492407f87eb5c0