drm/amdgpu: add gpu_info_firmware v1_1 structure for navi10

two new members that specific for navi10 are included in v2_0:
num_sc_per_sh and num_packer_per_sc

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