drm/amdgpu/discovery: add nbio 4.3 support for NBIO 4.3.1

Enable nbio 4.3 support.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Flora Cui <flora.cui@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -2189,6 +2189,7 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev)
 		adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg_sc;
 		break;
 	case IP_VERSION(4, 3, 0):
+	case IP_VERSION(4, 3, 1):
 		adev->nbio.funcs = &nbio_v4_3_funcs;
 		adev->nbio.hdp_flush_reg = &nbio_v4_3_hdp_flush_reg;
 		break;