iommu/amd: Rename amd_iommu_v2_supported() as amd_iommu_pasid_supported()

To reflect its usage. No functional changes intended.
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240418103400.6229-2-vasant.hegde@amd.comSigned-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/amd/amd_iommu.h

@@ -38,7 +38,7 @@ extern int amd_iommu_guest_ir;
 extern enum io_pgtable_fmt amd_iommu_pgtable;
 extern int amd_iommu_gpt_level;
 
-bool amd_iommu_v2_supported(void);
+bool amd_iommu_pasid_supported(void);
 
 /* Device capabilities */
 int amd_iommu_pdev_enable_cap_pri(struct pci_dev *pdev);

drivers/iommu/amd/init.c

@@ -3690,7 +3690,7 @@ __setup("ivrs_ioapic",		parse_ivrs_ioapic);
 __setup("ivrs_hpet",		parse_ivrs_hpet);
 __setup("ivrs_acpihid",		parse_ivrs_acpihid);
 
-bool amd_iommu_v2_supported(void)
+bool amd_iommu_pasid_supported(void)
 {
 	/* CPU page table size should match IOMMU guest page table size */
 	if (cpu_feature_enabled(X86_FEATURE_LA57) &&