update the "-cl-kernel-arg-info" option for SPIR

[Pekka Jääskeläinen]

On 11/25/2014 12:43 PM, Sahasrabuddhe, Sameer wrote:
> Looks good to me, other than those formatting fixes.

To me as well. Can you please add [OpenCL] to the topic
for the next patches so they get caught by my mail filter.

Thanks,
-- 
--Pekka