[PATCH 1/1] examples/ipsec-secgw: add option for descriptors per QP

[Anoob Joseph]

> 
> Added option to configure number of queue pair descriptors via command
> line (--desc-nb NUMBER_OF_DESC).
> 
> When the crypto processing takes longer durations, small queue pair size
> would result in cryptodev enqueue failures. Larger queue pair size would
> allow more packets to stay in flight simultaneously and reduce enqueue
> failures.
> 
> Signed-off-by: Volodymyr Fialko <vfialko at marvell.com>

Acked-by: Anoob Joseph <anoobj at marvell.com>