Replaced hyphens with underscores in examples
project definition for all examples which had
hyphens in their project name. dpp-enrollee is
an exceptions because the name matches the
project directory name while the project
directory also contains hyphens.
1. Support i2s on esp32c3 and esp32s3
2. Refactor i2s_config_t to avoid breaking change
2. Fix a bug that receiving unavailable values from message queue when dma queue has been re-allocted
4. Support i2s unit test on esp32c3 and esp32s3
Kevin (Lao Kaiyao)