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

Same as navi series.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2002,6 +2002,7 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
 	case  CHIP_NAVI12:
 	case  CHIP_SIENNA_CICHLID:
 	case  CHIP_NAVY_FLOUNDER:
+	case  CHIP_DIMGREY_CAVEFISH:
 	case CHIP_VANGOGH:
 		if (adev->asic_type == CHIP_VANGOGH)
 			adev->family = AMDGPU_FAMILY_VGH;