[PATCH 04/12] iommu-helper: move the IOMMU_HELPER config symbol to lib/

[Anshuman Khandual]

On 04/15/2018 08:29 PM, Christoph Hellwig wrote:
> This way we have one central definition of it, and user can select it as
> needed.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Reviewed-by: Anshuman Khandual <khandual at linux.vnet.ibm.com>