dt-bindings: iommu: mediatek: update mediatek,iommu.yaml references

Changeset bca28426 ("dt-bindings: iommu: mediatek: Convert IOMMU to DT schema")
renamed: Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
to: Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml.

Update the cross-references accordingly.

Fixes: bca28426 ("dt-bindings: iommu: mediatek: Convert IOMMU to DT schema")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt

@@ -64,7 +64,7 @@ Required properties (DMA function blocks):
 - larb: Should contain a phandle pointing to the local arbiter device as defined
   in Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
 - iommus: Should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 
 Optional properties (RDMA function blocks):

Documentation/devicetree/bindings/media/mediatek-jpeg-decoder.txt

@@ -19,7 +19,7 @@ Required properties:
   Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
   for details.
 - iommus: should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 
 Example:

Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt

@@ -17,7 +17,7 @@ Required properties:
   Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
   for details.
 - iommus: should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 
 Example:

Documentation/devicetree/bindings/media/mediatek-mdp.txt

@@ -25,7 +25,7 @@ Required properties (DMA function blocks, child node):
         "mediatek,mt8173-mdp-wdma"
         "mediatek,mt8173-mdp-wrot"
 - iommus: should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 - mediatek,larb: must contain the local arbiters in the current Socs, see
   Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml

Documentation/devicetree/bindings/media/mediatek-vcodec.txt

@@ -18,7 +18,7 @@ Required properties:
   "univpll_d2", "clk_cci400_sel", "vdec_sel", "vdecpll", "vencpll",
   "venc_lt_sel", "vdec_bus_clk_src".
 - iommus : should point to the respective IOMMU block with master port as
-  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+  argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.yaml
   for details.
 One of the two following nodes:
 - mediatek,vpu : the node of the video processor unit, if using VPU.