[PATCH v2] docs: freebsd: Update to 20.11

[Thomas Monjalon]

30/06/2023 18:41, David Young:
> This patch updates the installation instructions for DPDK on FreeBSD.
> It specifies the explicit version of DPDK (20.11) to be installed.
> This change is important as the 'dpdk' package is an alias and doesn't
> always point to the latest version. By specifying the explicit version,
> we make it clear which version is to be installed. The page previously
> showed 'pkg install dpdk' without specifying the version.

I understand it can be helpful to choose a specific version.
But dpdk20.11 is not necessarily the latest one,
and it could be useful to show both approaches in the doc.

> @@ -123,3 +123,4 @@ via the contigmem module, and 4 NIC ports bound to the nic_uio module::
>  
>     For an explanation of the command-line parameters that can be passed to an
>     DPDK application, see section :ref:`running_sample_app`.
> +

This last line looks like an extra unnneeded blank line.