* Update PACs and modify `esp-hal-common` to use new `esp-riscv-rt` package
* Update `esp32c2-hal` and `esp32c3-hal` to use `esp-riscv-rt` as well
* Update all RISC-V examples to use `esp-riscv-rt`
* Update RISC-V trap frame handling according to review feedback
Previously it assumed that the entry point was allocated at the
beginning of the ".rwtext" output section, which is not always true.
Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
