Closes https://github.com/espressif/esp-idf/issues/14751
Make the common I2S dependencies as an example common component,
so that to avoid slash & backslash issue on windows
when use absolute include path.
Closes: https://github.com/espressif/esp-idf/issues/9208
When I2S is configured into different modes, the slot sequence varies.
This commit updates slot sequence tables and corresponding descriptions
in (both code and programming guide).