[SWDEV-534605] Increase max devices supported and drm test link type (#625)

Increased the AMDSMI_MAX_DEVICES to 64 to accomodate all
devices in CPX mode. The link type has been modified in
amd-smi to match with rocm-smi types, updated the same
for drm tests.

---------

Signed-off-by: Bindhiya Kanangot Balakrishnan <Bindhiya.KanangotBalakrishnan@amd.com>

include/amd_smi/amdsmi.h

@@ -2092,7 +2092,7 @@ typedef struct {
  */
 typedef struct {
     uint32_t count;
-    amdsmi_processor_handle processor_list[AMDSMI_MAX_DEVICES+1];
+    amdsmi_processor_handle processor_list[AMDSMI_MAX_DEVICES * AMDSMI_MAX_NUM_XCP];
     uint64_t reserved[14];
 } amdsmi_topology_nearest_t;