[PATCH v2] doc: update release notes for 23.11

[Thomas Monjalon]

24/11/2023 16:20, John McNamara:
> Fix grammar, spelling and formatting of DPDK 23.11 release notes.
> 
> Signed-off-by: John McNamara <john.mcnamara at intel.com>
> ---
>  * **Added support for power intrinsics with AMD processors.**
>  
> +  Added power intrinsics support for AMD processors.

Replacing with:

  Added AMD ``MONITORX``/``MWAITX`` instructions in EAL for power optimisation.

Removed comments, and applied, thanks.