[V1] app/testpmd: restore VXLAN-GPE support

[Ferruh Yigit]

On 7/17/2024 8:11 AM, Gavin Li wrote:
> VXLAN-GPE support was removed from testpmd recently. Drivers which are
> not migrated are still using VXLAN-GPE in tests.
> 
> This commit is to restore the support for VXLAN-GPE in testpmd.
> 
> Fixes: da118115d95c ("app/testpmd: support matching any VXLAN field")
> Signed-off-by: Gavin Li <gavinl at nvidia.com>
>

Hi Gavin,

The original patch was from you, right? What went wrong?