drm/amdgpu: add two new subquery ids

To support query rlcp and rlcv firmware version from
existing AMDGPU_INFO_FW_VERSION interface

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>