dt-bindings: interconnect: add sdm670 interconnects

There are controllable interconnects on Snapdragon 670. Add the
compatible strings to the documentation and interconnect ID definitions.

The device tree header was generated by
linux-interconnect-driver-generator and the copyright year was changed.

Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230111005155.50452-2-mailingradian@gmail.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>