remoteproc: k3-r5: Use devm_rproc_add() helper

Use device lifecycle managed devm_rproc_add() helper function. This
helps prevent mistakes like deleting out of order in cleanup functions
and forgetting to delete on all error paths.

Signed-off-by: Beleswar Padhi <b-padhi@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20241219110545.1898883-5-b-padhi@ti.com


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