Selecting `CONFIG_EXCEPTION_STACK_TRACE_SYMTAB` will
enable the symtab generation which will be used in the
stack trace to print the function name of the return
address.
Updated the `stack_unwind` test to test the symbols in a
stack trace.
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>