[roll third_party/pigweed] Silence unused argument warnings

moves pw_trace-related build args into imports so toolchains can import
them and silence unused build-arg warnings for downstream projects that
use Pigweed's default host toolchain but don't use pw_trace.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/36080

third_party/pigweed Rolled-Commits: 72b9385372e4b4f..8104e8fabc0b433
CQ-Do-Not-Cancel-Tryjobs: true
Roller-URL: https://ci.chromium.org/b/8853465300289484448
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8853465300289484448
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia7964b2c1e3bbfe55677c85dc886796dee2eb96a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/36100
Reviewed-by: 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>
1 file changed
tree: 3c19a5d1a127f618239374c51472ed7cbeebf2c7
  1. applications/
  2. build_overrides/
  3. pw_board_led/
  4. pw_board_led_arduino/
  5. pw_board_led_host/
  6. pw_board_led_stm32f429i_disc1/
  7. pw_console/
  8. pw_spin_delay/
  9. pw_spin_delay_arduino/
  10. pw_spin_delay_host/
  11. pw_spin_delay_stm32f429i_disc1/
  12. targets/
  13. third_party/
  14. tools/
  15. .gitattributes
  16. .gitignore
  17. .gitmodules
  18. .gn
  19. activate.bat
  20. banner.txt
  21. bootstrap.bat
  22. bootstrap.sh
  23. BUILD.gn
  24. BUILDCONFIG.gn
  25. navbar.md
  26. PW_PLUGINS
  27. README.md
README.md

Pigweed Experimental

This repository contains experimental pigweed modules.

Repository setup

Clone this repo with --recursive to get all required submodules.

git clone --recursive https://pigweed.googlesource.com/pigweed/experimental

This will pull the Pigweed source repository into third_party/pigweed. If you already cloned but forgot to --recursive run git submodule update --init to pull all submodules.