A performance regression for OpenCL tests on Polaris11 had this feature
disabled for all asics.

Instead, disable it selectively on the affected asics.
Acked-by: NFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: NAndres Rodriguez <andresx7@gmail.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>