drm/amdgpu: allow more APUs to do mode2 reset when go to S4

Skip mode2 reset only for IMU enabled APUs when do S4.

This patch is to fix the regression issue
drm/amd#2483
It is generated by commit b5896266 ("drm/amdgpu: skip ASIC reset
for APUs when go to S4").

Fixes: b5896266 ("drm/amdgpu: skip ASIC reset for APUs when go to S4")
Link: drm/amd#2483


Tested-by: Yuan Perry <Perry.Yuan@amd.com>
Signed-off-by: Tim Huang <tim.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x