accel/amdxdna: Unify pm and rpm suspend and resume callbacks

accel/amdxdna: Unify pm and rpm suspend and resume callbacks

The suspend and resume callbacks for pm and runtime pm should be same.
During suspending, it needs to stop all hardware contexts first. And
the hardware contexts will be restarted after the device is resumed.

Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://lore.kernel.org/r/20250803191450.1568851-1-lizhi.hou@amd.com