JSON Alignment with Host for singular device output

Signed-off-by: Maisam Arif <maisarif@amd.com>
Change-Id: I12acbae8b385dac75ccc37e04d40a29153ba1944

amdsmi_cli/amdsmi_logger.py

@@ -401,7 +401,7 @@ class AMDSMILogger():
         if multiple_device_enabled:
             json_output = self.multiple_device_output
         else:
-            json_output = self.output
+            json_output = [self.output]
 
         if self.destination == 'stdout':
             if json_output: