remoteproc: k3-dsp: Fix log levels where appropriate

Driver was logging information as errors. Changed dev_err to dev_dbg
where appropriate.

Signed-off-by: Garrett Giordano <ggiordano@phytec.com>
Acked-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240626191438.490524-1-ggiordano@phytec.com


Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>