Rewrite/unify the objtool instruction based annotations.

Changes since last time:

 - removed unreachable annotation
 - included reachable annotation
 - various smaller things

On Thu, Nov 28, 2024 at 10:38:51AM +0100, Peter Zijlstra wrote:
> Rewrite/unify the objtool instruction based annotations.
> 
> Changes since last time:
> 
>  - removed unreachable annotation
>  - included reachable annotation
>  - various smaller things

Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>

-- 
Josh