drm/amd/powerplay: restore disabling power containment on Fiji (v2)

Power containment will degrade performance in some compute tests.
Restore disabling it as before code refining in powerplay.

v2: only in the compute profile

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>