pw_rpc: Add a sample project

Add a sample application that uses the current PW RPC module (and many
more). The application can also be run as a test using Zephyr's
twister command.

Bug: b/236263182
Change-Id: I0a5e35e8c5427886a12fb0640d6d1b586ec8b763
Signed-off-by: Yuval Peress <peress@google.com>
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/108833
Reviewed-by: Wyatt Hepler <hepler@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
17 files changed
tree: 086930f31922acfee34b33fbc7c63a00e6a1729e
  1. samples/
  2. .gitignore
  3. .gitmodules
  4. README.rst
  5. test.sh