VFs query RAS error counts directly from host with
AMDGPU_RAS_VIRT_ERROR_COUNT_QUERY. When ACA is enabled,
an unusable aca_sysfs is created rather than amdgpu_ras_sysfs_create()
Likewise, VFs depend on host support to query CPERs, rather than ACA component.
Signed-off-by: Victor Skvortsov <victor.skvortsov@amd.com> Reviewed-by: Zhigang Luo <Zhigang.luo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>