pldmtool: Fix display format of attribute value
pldmtool: Fix display format of attribute value

4dd11a7 changed the display format of attribute value
entry unexpectedly. This change change the display format
to the same as before

Tested:

GetBIOSTable:

root@fp5280g2:/tmp# ./pldmtool bios GetBIOSTable -t 2
PLDM AttributeValueTable:
AttributeHandle: 0
	AttributeType: BIOSString
	CurrentStringLength: 12
	CurrentString: powersupply0
AttributeHandle: 1
	AttributeType: BIOSStringReadOnly
	CurrentStringLength: 2
	CurrentString: ef
AttributeHandle: 2
	AttributeType: BIOSInteger
	CurrentValue: 0
AttributeHandle: 3
	AttributeType: BIOSEnumeration
	NumberOfCurrentValues: 1
	CurrentValueStringHandleIndex[0] = 1, StringHandle = Off
AttributeHandle: 4
	AttributeType: BIOSEnumerationReadOnly
	NumberOfCurrentValues: 1
	CurrentValueStringHandleIndex[0] = 0, StringHandle = Concurrent

GetBIOSAttributeCurrentValueByHandle:

root@fp5280g2:/tmp# ./pldmtool bios getbiosattributeCurrentValueByHandle -a Led
CurrentValue: On
root@fp5280g2:/tmp# ./pldmtool bios getbiosattributeCurrentValueByHandle -a Model
CurrentValue: powersupply0

Signed-off-by: John Wang <f94ba6c7f9f751e26d9bd16a9d1e9a602cdeac6b@inspur.com>
Change-Id: I1b6cde16e216ff11f02661454bc74de684392021

openbmc/pldm,openbmc/pldm,openbmc/pldm