dt-bindings: reset: update ti,sci-reset.yaml references

dt-bindings: reset: update ti,sci-reset.yaml references

Changeset 9a81b8cbc245 ("dt-bindings: reset: Convert ti,sci-reset to json schema")
renamed: Documentation/devicetree/bindings/reset/ti,sci-reset.txt
to: Documentation/devicetree/bindings/reset/ti,sci-reset.yaml.

Update the cross-references accordingly.

Fixes: 9a81b8cbc245 ("dt-bindings: reset: Convert ti,sci-reset to json schema")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/e9b505d900d898c0d030deb168ab291206c203ee.1622648507.git.mchehab+huawei@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>