ACPI/IORT: Remove the unused inline functions

Since commit 8212688 ("ACPI/IORT: Fix build error when IOMMU_SUPPORT
is disabled"), iort_fwspec_iommu_ops() and iort_add_device_replay() are not
needed anymore when CONFIG_IOMMU_API is not selected. Let's remove them.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/20200818063625.980-3-yuzenghui@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>

Author: Zenghui Yu

drivers/acpi/arm64/iort.c

@@ -1086,10 +1086,6 @@ const struct iommu_ops *iort_iommu_configure_id(struct device *dev,
 }
 
 #else
-static inline const struct iommu_ops *iort_fwspec_iommu_ops(struct device *dev)
-{ return NULL; }
-static inline int iort_add_device_replay(struct device *dev)
-{ return 0; }
 int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head)
 { return 0; }
 const struct iommu_ops *iort_iommu_configure_id(struct device *dev,