Fix typos in multiple files

[Pronoss]

• Fixed typos in fpext.h (both risc0/fp and zirgen/circuit/fib/cxx):

  • construcion → construction
  • direcly → directly
  • muliply → multiply

• Corrected typos in inst_ecall.zir:

  • lenght → length

• Updated driver.cpp:

  • ocurred → occurred in an internal compiler error message.

• Fixed lower.cpp:

  • expresion → expression in an MLIR error message.

• Updated Passes.td:

  • reigsters → registers in a pass description.

• Corrected table.zir:

  • ComplextTypeDependence → ComplexTypeDependence in a function name.

Why This Change?

• Improves clarity: Ensures comments and error messages are correctly formatted and readable.
• Prevents potential confusion: Fixes incorrect function names to avoid misinterpretation.
• Enhances maintainability: Keeping codebase clean from typos ensures better collaboration and understanding.