[sonic-cfggen] fix name conflict between sonic_platform package and sonic_platform.py (#2875)

* fix name conflict between sonic_platfrom package and sonic_platform.py

* update sonic-utility submodule to pickup lastest fix

* Revert "update sonic-utility submodule to pickup lastest fix"

This reverts commit f66aa99738e06373bc2e141f420eab71839ff4e8.

* update sonic-utility sub module

src/sonic-config-engine/setup.py

@@ -16,7 +16,7 @@ setup(name='sonic-config-engine',
       author='Taoyu Li',
       author_email='taoyl@microsoft.com',
       url='https://github.com/Azure/sonic-buildimage',
-      py_modules=['portconfig', 'minigraph', 'openconfig_acl', 'sonic_platform', 'config_samples'],
+      py_modules=['portconfig', 'minigraph', 'openconfig_acl', 'sonic_device_util', 'config_samples'],
       scripts=['sonic-cfggen'],
       install_requires=['lxml', 'jinja2>=2.10', 'netaddr', 'ipaddr', 'pyyaml', 'pyangbind==0.6.0'],
       test_suite='setup.get_test_suite',

src/sonic-config-engine/sonic-cfggen

@@ -28,9 +28,9 @@ from minigraph import minigraph_encoder
 from minigraph import parse_xml
 from minigraph import parse_device_desc_xml
 from portconfig import get_port_config
-from sonic_platform import get_machine_info
-from sonic_platform import get_platform_info
-from sonic_platform import get_system_mac
+from sonic_device_util import get_machine_info
+from sonic_device_util import get_platform_info
+from sonic_device_util import get_system_mac
 from config_samples import generate_sample_config
 from config_samples import get_available_config
 from swsssdk import ConfigDBConnector

src/sonic-config-engine/sonic_device_util.py

@@ -5,13 +5,17 @@ import subprocess
 
 DOCUMENTATION = '''
 ---
-module: sonic_platform
+module: sonic_device_util
 version_added: "1.9"
-short_description: Retrive platform related facts for a device.
+short_description: Retrieve device related facts for a device.
 description:
-    - Retrieve platform related facts from config files.
+    - Retrieve device related facts from config files.
 '''
 
+'''
+TODO: this file shall be renamed and moved to other places in future
+to have it shared with multiple applications. 
+'''
 def get_machine_info():
     if not os.path.isfile('/host/machine.conf'):
         return None