iommu/vt-d: Merge intel_svm_bind_mm() into its caller

intel_svm_set_dev_pasid() is the only caller of intel_svm_bind_mm().
Merge them and remove intel_svm_bind_mm(). No functional change
intended.

Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Link: https://lore.kernel.org/r/20240219125723.1645703-4-tina.zhang@intel.com


Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>