drm/amdgpu: set asic family and ip blocks for navi12

same with navi10
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -1627,6 +1627,7 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
 		break;
 	case  CHIP_NAVI10:
 	case  CHIP_NAVI14:
+	case  CHIP_NAVI12:
 		adev->family = AMDGPU_FAMILY_NV;
 
 		r = nv_set_ip_blocks(adev);