The `DEBUG_INFO` in the `EXCEPTION_STACK_TRACE` is only
required by x86. Move that to `X86_EXCEPTION_STACK_TRACE`
instead.
Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Added test for archs that support it. It triggers an exception
and verify that the fatal message has stack unwind info.
Signed-off-by: Yong Cong Sin <ycsin@meta.com>