iommu/vt-d: Move include/linux/intel-iommu.h under iommu

This header file is private to the Intel IOMMU driver. Move it to the
driver folder.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Link: https://lore.kernel.org/r/20220514014322.2927339-8-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/intel/svm.c

@@ -5,7 +5,6 @@
  * Authors: David Woodhouse <dwmw2@infradead.org>
  */
 
-#include <linux/intel-iommu.h>
 #include <linux/mmu_notifier.h>
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
@@ -22,6 +21,7 @@
 #include <asm/page.h>
 #include <asm/fpu/api.h>
 
+#include "iommu.h"
 #include "pasid.h"
 #include "perf.h"
 #include "../iommu-sva-lib.h"