gpu: host1x: Use dev_err_probe() in probe path

gpu: host1x: Use dev_err_probe() in probe path

Use dev_err_probe() helper as recommended by core driver model in
drivers/base/core.c to handle deferred probe error. Improve code
consistency and debuggability using standard helper.

Signed-off-by: Akhilesh Patil <akhilesh@ee.iitb.ac.in>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/aKgKrCxUvP9Sw0YI@bhairav-test.ee.iitb.ac.in