drm/amdgpu: Correct the loss of aca bank reg info

drm/amdgpu: Correct the loss of aca bank reg info

By polling, poll ACA bank count to ensure that valid
ACA bank reg info can be obtained

v2: add corresponding delay before send msg to SMU to query mca bank info
(Stanley)

v3: the loop cannot exit. (Thomas)

v4: remove amdgpu_aca_clear_bank_count. (Kevin)

v5: continuously inject ce. If a creation interruption
occurs at this time, bank reg info will be lost. (Thomas)
v5: each cycle is delayed by 100ms. (Tao)

Signed-off-by: Ce Sun <cesun102@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>