dt: fix refs that were renamed to json with the same file name

These files were converted to json-schema, but the references weren't
renamed.

Fixes: 66ed144f

 ("dt-bindings: interrupt-controller: Convert ARM GIC to json-schema")
(and other similar commits)

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>