PEL for Manager class

[RekhaAparna01]

This commit adds code to log informational PELs in Manager class, in case of exceptions occurred while reading host state, performing vpd recollection and for public API's exposed under vpd-manager service.

Also removed try catch block in manager constructor, as we are not doing any error handling.

output:

root@p10bmc:/tmp# peltool -i 0x5000213a
{
"Private Header": {
    "Section Version":          "1",
    "Sub-section type":         "0",
    "Created by":               "bmc vpd",
    "Created at":               "01/02/2025 12:01:10",
    "Committed at":             "01/02/2025 12:01:10",
    "Creator Subsystem":        "BMC",
    "CSSVER":                   "",
    "Platform Log Id":          "0x5000213A",
    "Entry Id":                 "0x5000213A",
    "BMC Event Log Id":         "522"
},
"User Header": {
    "Section Version":          "1",
    "Sub-section type":         "0",
    "Log Committed by":         "bmc error logging",
    "Subsystem":                "CEC Hardware - VPD Interface",
    "Event Scope":              "Entire Platform",
    "Event Severity":           "Informational Event",
    "Event Type":               "Miscellaneous, Informational Only",
    "Action Flags": [
                                "Event not customer viewable",
                                "Report Externally"
    ],
    "Host Transmission":        "Not Sent",
    "HMC Transmission":         "Not Sent"
},
"Primary SRC": {
    "Section Version":          "1",
    "Sub-section type":         "1",
    "Created by":               "bmc vpd",
    "SRC Version":              "0x02",
    "SRC Format":               "0x55",
    "Virtual Progress SRC":     "False",
    "I5/OS Service Event Bit":  "False",
    "Hypervisor Dump Initiated":"False",
    "Backplane CCIN":           "2E2D",
    "Terminate FW Error":       "False",
    "Deconfigured":             "False",
    "Guarded":                  "False",
    "Error Details": {
        "Message":              "A VPD data exception occurred."
    },
    "Valid Word Count":         "0x09",
    "Reference Code":           "BD554001",
    "Hex Word 2":               "00000055",
    "Hex Word 3":               "2E2D0010",
    "Hex Word 4":               "00000000",
    "Hex Word 5":               "00000000",
    "Hex Word 6":               "00000000",
    "Hex Word 7":               "00000000",
    "Hex Word 8":               "00000000",
    "Hex Word 9":               "00000000"
},
"Extended User Header": {
    "Section Version":          "1",
    "Sub-section type":         "0",
    "Created by":               "bmc error logging",
    "Reporting Machine Type":   "        ",
    "Reporting Serial Number":  "       ",
    "FW Released Ver":          "",
    "FW SubSys Version":        "fw1110.00-3.34",
    "Common Ref Time":          "00/00/0000 00:00:00",
    "Symptom Id Len":           "20",
    "Symptom Id":               "BD554001_2E2D0010"
},
"Failing MTMS": {
    "Section Version":          "1",
    "Sub-section type":         "0",
    "Created by":               "bmc error logging",
    "Machine Type Model":       "        ",
    "Serial Number":            "       "
},
"User Data 0": {
    "Section Version": "1",
    "Sub-section type": "1",
    "Created by": "bmc error logging",
    "BMCLoad": "0.86 0.94 0.82",
    "BMCState": "Quiesced",
    "BMCUptime": "0y 0d 0h 28m 13s",
    "BootState": "Unspecified",
    "ChassisState": "Off",
    "FW Version ID": "fw1110.00-3.34-2-g45a17a06f3-dirty",
    "HostState": "Off",
    "System IM": "50001001"
},
"User Data 1": {
    "Section Version": "1",
    "Sub-section type": "1",
    "Created by": "bmc error logging",
    "DESCRIPTION": "Test Error",
    "FileName": "/usr/src/debug/openpower-fru-vpd/1.0+git/vpd-manager/src/manager.cpp",
    "FunctionName": "deleteSingleFruVpd",
    "InteranlRc": "0",
    "UserData1": "",
    "UserData2": ""
}
}