[PATCH] powerpc/module_64: fix array_size.cocci warning

[Russell Currey]

On Wed, 2022-02-23 at 15:54 +0800, Guo Zhengkui wrote:
> Fix following coccicheck warning:
> ./arch/powerpc/kernel/module_64.c:432:40-41: WARNING: Use ARRAY_SIZE.
> 
> ARRAY_SIZE(arr) is a macro provided by the kernel. It makes sure that
> arr
> is an array, so it's safer than sizeof(arr) / sizeof(arr[0]) and more
> standard.
> 
> Signed-off-by: Guo Zhengkui <guozhengkui at vivo.com>

Reviewed-by: Russell Currey <ruscur at russell.cc>