BubbleSalt

Results 3 issues of BubbleSalt

I'm building JerryScript attempting to directly run it on STM32F767, so I clone the project and then execute the command ```sh python2 tools/build.py --toolchain=cmake/toolchain_mcu_stm32f7.cmake ``` Then I got an error....

Modify the path of depth_ckpt for examples to be directly runnable.

**Describe the bug** Accoding to [riscv64 is now an official architecture](https://lists.debian.org/debian-riscv/2023/07/msg00053.html),RISC-V Debian has been moved into main branch. As a result, this script can't handle RISC-V situation anymore. **To Reproduce**...

bug