Remoteproc treats the error codes returned from the stubbed SMD API as
errors, but the fact that SMD is not enabled should not affect
remoteproc's ability to start the remote processors.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The edge registration functions is to be used from a remoteproc driver
to register and unregister an edge as the remote processor comes and
goes.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>