iommu: Rename domain_has_cap to iommu_domain_has_cap

domain_has_cap is a misnomer bc the func name should be
the same for CONFIG_IOMMU_API and !CONFIG_IOMMU_API.
Signed-off-by: NUpinder Malhi <umalhi@cisco.com>
Signed-off-by: NJoerg Roedel <joro@8bytes.org>

include/linux/iommu.h

@@ -291,8 +291,8 @@ static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_ad
 	return 0;
 }
 
-static inline int domain_has_cap(struct iommu_domain *domain,
-				 unsigned long cap)
+static inline int iommu_domain_has_cap(struct iommu_domain *domain,
+				       unsigned long cap)
 {
 	return 0;
 }