slimbus: qcom-ngd-ctrl: add Protection Domain Restart Support

Add support to protection domain restart. Protection domain restart
would also restart the service just like SSR.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20201127102451.17114-4-srinivas.kandagatla@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>