docs/specs/riscv-iommu: Fixed broken link to external risv iommu document

The links to riscv iommu specification document are incorrect. This patch
updates all the said link to point to correct location.

Cc: [email protected]
Cc: [email protected]
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2808
Signed-off-by: hemanshu.khilari.foss <[email protected]>
Reviewed-by: Alistair Francis <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Alistair Francis <[email protected]>

Author: hemanshu.khilari.foss

docs/specs/riscv-iommu.rst

@@ -4,7 +4,7 @@ RISC-V IOMMU support for RISC-V machines
 ========================================
 
 QEMU implements a RISC-V IOMMU emulation based on the RISC-V IOMMU spec
-version 1.0 `iommu1.0`_.
+version 1.0 `iommu1.0.0`_.
 
 The emulation includes a PCI reference device (riscv-iommu-pci) and a platform
 bus device (riscv-iommu-sys) that QEMU RISC-V boards can use.  The 'virt'
@@ -14,7 +14,7 @@ riscv-iommu-pci reference device
 --------------------------------
 
 This device implements the RISC-V IOMMU emulation as recommended by the section
-"Integrating an IOMMU as a PCIe device" of `iommu1.0`_: a PCI device with base
+"Integrating an IOMMU as a PCIe device" of `iommu1.0.0`_: a PCI device with base
 class 08h, sub-class 06h and programming interface 00h.
 
 As a reference device it doesn't implement anything outside of the specification,
@@ -109,7 +109,7 @@ riscv-iommu options:
 - "s-stage": enabled
 - "g-stage": enabled
 
-.. _iommu1.0: https://github.com/riscv-non-isa/riscv-iommu/releases/download/v1.0/riscv-iommu.pdf
+.. _iommu1.0.0: https://github.com/riscv-non-isa/riscv-iommu/releases/download/v1.0.0/riscv-iommu.pdf
 
 .. _linux-v8: https://lore.kernel.org/linux-riscv/[email protected]/