drm/amdkfd: Introduce DIQ type mqd manager

With introduction of new mqd allocation scheme for HIQ,
DIQ and HIQ use different mqd allocation scheme, DIQ
can't reuse HIQ mqd manager

Signed-off-by: Oak Zeng <ozeng@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>