[EXT] [PATCH v3 14/19] cryptodev: use rte optional stdatomic API

[Akhil Goyal]

> Replace the use of gcc builtin __atomic_xxx intrinsics with
> corresponding rte_atomic_xxx optional stdatomic API
> 
> Signed-off-by: Tyler Retzlaff <roretzla at linux.microsoft.com>
Acked-by: Akhil Goyal <gakhil at marvell.com>