qmp: Add examples to qom list, get, and set commands

Added examples for the qom-list, qom-get, and qom-set
commands in qapi misc JSON file.

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20181228194442.3506-1-wainersm@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

qapi/misc.json

@@ -1380,6 +1380,16 @@
 #          object.
 #
 # Since: 1.2
+#
+# Example:
+#
+# -> { "execute": "qom-list",
+#      "arguments": { "path": "/chardevs" } }
+# <- { "return": [ { "name": "type", "type": "string" },
+#                  { "name": "parallel0", "type": "child<chardev-vc>" },
+#                  { "name": "serial0", "type": "child<chardev-vc>" },
+#                  { "name": "mon0", "type": "child<chardev-stdio>" } ] }
+#
 ##
 { 'command': 'qom-list',
   'data': { 'path': 'str' },
@@ -1417,6 +1427,23 @@
 #          returned as #int.
 #
 # Since: 1.2
+#
+# Example:
+#
+# 1. Use absolute path
+#
+# -> { "execute": "qom-get",
+#      "arguments": { "path": "/machine/unattached/device[0]",
+#                     "property": "hotplugged" } }
+# <- { "return": false }
+#
+# 2. Use partial path
+#
+# -> { "execute": "qom-get",
+#      "arguments": { "path": "unattached/sysbus",
+#                     "property": "type" } }
+# <- { "return": "System" }
+#
 ##
 { 'command': 'qom-get',
   'data': { 'path': 'str', 'property': 'str' },
@@ -1436,6 +1463,15 @@
 #         for a description of type mapping.
 #
 # Since: 1.2
+#
+# Example:
+#
+# -> { "execute": "qom-set",
+#      "arguments": { "path": "/machine",
+#                     "property": "graphics",
+#                     "value": false } }
+# <- { "return": {} }
+#
 ##
 { 'command': 'qom-set',
   'data': { 'path': 'str', 'property': 'str', 'value': 'any' },