[Mellanox] Update SN5640-simx enabled processes (#21478)

- Why I did it
Support running hw-management service on SN5640 emulation platform.

- How I did it
Use physical EEPROM instead of the fake one
Do not skip PSUd, PCId, thermal control daemon
Adjust PCIe and thermal configuration files

- How to verify it
Run Nvidia simulation on SN5640 (ASIC and Platform)

device/mellanox/x86_64-nvidia_sn5640_simx-r0/pmon_daemon_control.json

@@ -1,7 +1,5 @@
 {
         "skip_ledd": true,
         "skip_xcvrd": true,
-        "skip_psud": true,
-        "skip_pcied": true,
-        "skip_thermalctld": true
+        "skip_fancontrol": true
 }

device/mellanox/x86_64-nvidia_sn5640_simx-r0/thermal_policy.json

@@ -0,0 +1 @@
+../x86_64-mlnx_msn2700-r0/thermal_policy.json

platform/mellanox/mlnx-platform-api/sonic_platform/device_data.py

@@ -1,6 +1,6 @@
 #
 # SPDX-FileCopyrightText: NVIDIA CORPORATION & AFFILIATES
-# Copyright (c) 2020-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# Copyright (c) 2020-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -162,6 +162,13 @@ class DpuInterfaceEnum(Enum):
             'fw_control_ports': [64]  # 0 based sfp index list
         }
     },
+    'x86_64-nvidia_sn5640_simx-r0': {
+        'thermal': {
+            "capability": {
+                "comex_amb": False,
+            }
+        }
+    },
     'x86_64-nvidia_sn4280_simx-r0': {
         'thermal': {
             "capability": {

platform/mellanox/mlnx-platform-api/sonic_platform/eeprom.py

@@ -1,5 +1,6 @@
 #
-# Copyright (c) 2019-2024 NVIDIA CORPORATION & AFFILIATES.
+# SPDX-FileCopyrightText: NVIDIA CORPORATION & AFFILIATES
+# Copyright (c) 2019-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -41,7 +42,7 @@
 #
 EEPROM_SYMLINK = "/var/run/hw-management/eeprom/vpd_info"
 platform_name = DeviceDataManager.get_platform_name()
-platform_supporting_simx = ['x86_64-nvidia_sn4280_simx-r0', 'x86_64-mlnx_msn4700_simx-r0']
+platform_supporting_simx = ['x86_64-nvidia_sn4280_simx-r0', 'x86_64-mlnx_msn4700_simx-r0', 'x86_64-mlnx_msn5640_simx-r0']
 if platform_name and 'simx' in platform_name and not platform_name in platform_supporting_simx:
     if not os.path.exists(EEPROM_SYMLINK):
         if is_host():