Chassis field needs to be a list

[brianmcgee]

I have two "Chassis Information" which causes issue failed to scan: failed to add to smbios report: chassis field is already set

sudo dmidecode
Handle 0x0003, DMI type 3, 22 bytes
Chassis Information
	Manufacturer: Dell Inc.
	Type: Detachable
	Lock: Not Present
	Version: Not Specified
	Serial Number: C6J0WT2
	Asset Tag: Not Specified
	Boot-up State: Safe
	Power Supply State: Safe
	Thermal State: Safe
	Security Status: None
	OEM Information: 0x00000000
	Height: Unspecified
	Number Of Power Cords: 1
	Contained Elements: 0
	SKU Number: Detachable

Handle 0x0300, DMI type 3, 22 bytes
Chassis Information
	Manufacturer: Dell Inc.
	Type: Docking Station
	Lock: Not Present
	Version: Not Specified
	Serial Number: C6J0WT2
	Asset Tag: Not Specified
	Boot-up State: Safe
	Power Supply State: Safe
	Thermal State: Safe
	Security Status: None
	OEM Information: 0x000000FF
	Height: Unspecified
	Number Of Power Cords: 1
	Contained Elements: 0
	SKU Number: Docking Station

Originally posted by @hasskvist in #125

[hasskvist]

Thanks @brianmcgee for the quick response, issue split and fix. I ran facter successfully today :)