[PATCH 21.11] doc: add more instructions for running as non-root

[Kevin Traynor]

On 28/06/2022 21:24, Dmitry Kozlyuk wrote:
> [ upstream commit 979bb5d493fbbce77eaaf2b4a01ee98f93f76dd9 ]
> 
> The guide to run DPDK applications as non-root in Linux
> did not provide specific instructions to configure the required access
> and did not explain why each bit is needed.
> The latter is important because running as non-root
> is one of the ways to tighten security and grant minimal permissions.
> 
> Signed-off-by: Dmitry Kozlyuk<dkozlyuk at nvidia.com>
> Acked-by: Bruce Richardson<bruce.richardson at intel.com>
> ---
> Upstream commit references things missing from 21.11:
> new dpdk-hugepages.py options and memory mapping documentation.
> The script call replaced with a direct mount command.
> Documentation reference is dropped as non-essential.
> 
>   doc/guides/linux_gsg/enable_func.rst | 85 +++++++++++++++++++---------
>   1 file changed, 58 insertions(+), 27 deletions(-)

Thanks Dmitry. Dropped original backport and applied this patch on 
branch 21.11. Kevin.