Fix the temperature parsing in virtium nvme disks

[vivekrnv]

Description

Fix sonic-net/sonic-buildimage#19020

If the vendor utility couldn't infer the temperature, display the temperature inferred from smartctl utility

Motivation and Context

How Has This Been Tested?

Temperature can be read from smartctl utility

root@sonic:/home/admin# smartctl /dev/nvme0n1 -a 
smartctl 7.4 2023-08-01 r5530 [x86_64-linux-6.1.0-11-2-amd64] (local build)
Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Number:                       Virtium VTPM24CEXI080-BM110006
SMART/Health Information (NVMe Log 0x02)
Temperature:                        39 Celsius

Before this change
root@sonic:/home/admin# show platform ssdhealth
Device Model : Virtium VTPM24CEXI080-BM110006
Health       : 100.0%
Temperature  : N/A

After this change
root@sonic:/home/admin# show platform ssdhealth
Device Model : Virtium VTPM24CEXI080-BM110006
Health       : 100.0%
Temperature  : 39.0C

Additional Information (Optional)

[prgeor]

@bingwang-ms can you cherry pick to 202405

[mssonicbld]

Cherry-pick PR to 202405: #498