scripts/cpu-x86-uarch-abi.py: use .command() instead of .cmd()

Here we don't expect a failure. In case of failure we'll crash on
trying to access ['return']. Better is to use .command() that clearly
raises on failure.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20231006154125.1068348-4-vsementsov@yandex-team.ru
Signed-off-by: John Snow <jsnow@redhat.com>

scripts/cpu-x86-uarch-abi.py

@@ -69,7 +69,7 @@ sock = sys.argv[1]
 shell = QEMUMonitorProtocol(sock)
 shell.connect()
 
-models = shell.cmd("query-cpu-definitions")
+models = shell.command("query-cpu-definitions")
 
 # These QMP props don't correspond to CPUID fatures
 # so ignore them
@@ -85,7 +85,7 @@ skip = [
 
 names = []
 
-for model in models["return"]:
+for model in models:
     if "alias-of" in model:
         continue
     names.append(model["name"])
@@ -93,12 +93,12 @@ for model in models["return"]:
 models = {}
 
 for name in sorted(names):
-    cpu = shell.cmd("query-cpu-model-expansion",
-                     { "type": "static",
-                       "model": { "name": name }})
+    cpu = shell.command("query-cpu-model-expansion",
+                        { "type": "static",
+                          "model": { "name": name }})
 
     got = {}
-    for (feature, present) in cpu["return"]["model"]["props"].items():
+    for (feature, present) in cpu["model"]["props"].items():
         if present and feature not in skip:
             got[feature] = True