* Force frame pointers for RISC-V chips
* Various dependency updates
* Update to latest published PACs and resolve build errors
* Top-level `README` updates
* Further clarify when `RUSCT_BOOTSTRAP=1` is required
Add a feature for the ESP32-C2 to`esp-hal-common` and update some `cfg`s
Organize the `esp-hal-common` imports and exports and update to include the ESP32-C2