remoteproc: da8xx: Reorder resource fetching in probe()

remoteproc: da8xx: Reorder resource fetching in probe()

Currently several resource are fetched before we allocate our instance
data struct. The is unlike most other drivers that fill in the instance
data with resources as they are fetched. Move these down which is more
natural and also removes the need for several temporarily locals.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20260302195616.312378-3-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>