drm/amd/display: Enable more IPS options

drm/amd/display: Enable more IPS options

[why]
To help isolate static screen and
video playback tests, we want to enable
an IPS option to allow IPS only on D3 cycle.

[how]
Add DISABLE_DYNAMIC and DISABLE_ALL
IPS disable flags for user control.

Reviewed-by: Jun Lei <jun.lei@amd.com>
Acked-by: Hersen Wu <hersenxs.wu@amd.com>
Signed-off-by: Sung Joon Kim <sungkim@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>