[EXT] [PATCH 9/9] security: use C11 alignof

[Akhil Goyal]

> Replace use of __alignof__(T) with C11 alignof(T) to improve portability
> between toolchains.
> 
> Signed-off-by: Tyler Retzlaff <roretzla at linux.microsoft.com>
Acked-by: Akhil Goyal <gakhil at marvell.com>