remoteproc: k3-r5: Use devm_kcalloc() helper

Use a device lifecycle managed action to free memory. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting
to free on error paths.

Signed-off-by: Beleswar Padhi <b-padhi@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20241219110545.1898883-3-b-padhi@ti.com


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