[roll third_party/pigweed] pw_system: Rename/fix typo in device.py

s/SamplelRpcDevice/RpcDevice/

- "Samplel" was a typo.
- But even "Sample" is unhelpful to have in the name and just wasted
  horizontal space in the console, so delete that too.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/149390

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 0afc2d5743f9af7..68dc3812cbcce9e
Roller-URL: https://ci.chromium.org/b/8779652983223762545
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I153cbc95a4144a994088936e37e7355a040a4270
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/149471
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 0afc2d5..68dc381 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 0afc2d5743f9af77d5c8007f5b8720370b3e3ac9
+Subproject commit 68dc3812cbcce9e5c786d84b970ef27500bb9804