SWDEV-463405: Add amdsmi_get_link_topology_nearest support

amdsmi_get_link_topology_nearest() is used to retrieve
the set of GPUs that are nearest to a given device
at a specific interconnectivity level.

Code changes related to the following:
    * API
    * CLI
    * Unit tests
    * Examples

Header Unification Change: "/amdsmi/+/1122408"

Change-Id: Id0317797c652c267742513936d321677793ec634
Signed-off-by: Lang Yu <lang.yu@amd.com>

py-interface/__init__.py

@@ -216,6 +216,7 @@ from .amdsmi_interface import amdsmi_topo_get_link_type
 from .amdsmi_interface import amdsmi_topo_get_p2p_status
 from .amdsmi_interface import amdsmi_is_P2P_accessible
 from .amdsmi_interface import amdsmi_get_xgmi_info
+from .amdsmi_interface import amdsmi_get_link_topology_nearest
 
 # # Partition Functions
 from .amdsmi_interface import amdsmi_get_gpu_compute_partition
@@ -255,6 +256,7 @@ from .amdsmi_interface import AmdSmiFreqInd
 from .amdsmi_interface import AmdSmiXgmiStatus
 from .amdsmi_interface import AmdSmiMemoryPageStatus
 from .amdsmi_interface import AmdSmiIoLinkType
+from .amdsmi_interface import AmdSmiLinkType
 from .amdsmi_interface import AmdSmiUtilizationCounterType
 from .amdsmi_interface import AmdSmiProcessorType