[PATCH v2] binman: Fix typing for python >= 3.5

[Bryan Brattlof]

On July 14, 2025 thus sayeth Yannic Moog:
> To make it work with python 3.5 and 3.6, need type hints from the
> typing module.
> 
> Reported-by: Tim Harvey <tharvey at gateworks.com>
> Fixes: 21bc3433a43d ("binman: rework dropping absent entries from packaged image")
> Signed-off-by: Yannic Moog <y.moog at phytec.de>
> ---
> Changes in v2:
> - drop newline changes
> - Link to v1: https://lore.kernel.org/r/20250711-binman-typing-fix-v1-1-66ab075015ac@phytec.de
> ---
>  tools/binman/etype/cbfs.py    | 3 ++-
>  tools/binman/etype/mkimage.py | 3 ++-
>  tools/binman/etype/section.py | 3 ++-
>  3 files changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/binman/etype/cbfs.py b/tools/binman/etype/cbfs.py
> index 5879f377231bf94697bea97c3cfc3a2515665b8f..c5e77f3a0df22ff768aa7254e4dd9ecbe6f81684 100644
> --- a/tools/binman/etype/cbfs.py
> +++ b/tools/binman/etype/cbfs.py
> @@ -6,6 +6,7 @@
>  #
>  
>  from collections import OrderedDict
> +from typing import Dict

It's been a while from my Python days so I'm still trying to understand 
what's going on, but my understanding is the 'typing' module is 
considered deprecated after Python 3.9 with PEP 589[0]

It seems like we're asked to use:

    from __future__ import annotations

~Bryan

[0] https://peps.python.org/pep-0585/