Support comparing components between FleetDB and EMAPI

[Alva8756]

Sample input/output

./mctl get component_gaps -s f5c43431-1695-47ee-81a2-77c4d5f78094     

Component Component.Chassis.BMC Field Manufacturer: equinix != unknown (0xc1d6)
Component Component.Chassis.BMC.Firmware Field Version: em-1.5.1 != 1.05.01
Component Component.Chassis.Motherboard Field Manufacturer: american megatrends != asrockrack
Component Component.Chassis.Motherboard Field Model: m3.small.x86 != E3C256D4ID-NL
Component Component.Chassis.Motherboard.Firmware Field Version: null != 1.16
Component Component.Chassis.Motherboard Field Serial: 0 != 217945250000014
Component Component.Chassis.CPU[0] Field Model: Intel(R) Xeon(R) E-2378G CPU @ 2.80GHz != 6.167.1
Component Component.Chassis.CPU[0] Field Cores: 0 != 8
Component Component.Chassis.CPU[0] Field ClockSpeed: 0 != 2801000000
Component Component.Chassis.CPU[0].Firmware Field Version:  != N/A
Component Component.Chassis.Memory[0] Field Manufacturer: micron != micron technology
Component Component.Chassis.Memory[0] Field Model:  != 18ASF4G72AZ-3G2B1
Component Component.Chassis.Memory[0] Field Capacity: 0 != 34359738368
Component Component.Chassis.Memory[0] Field Speed: 0 != 3200000000
Component Component.Chassis.Memory[0].Firmware Field Version:  != N/A
Component Component.Chassis.Memory[1] Field Manufacturer: micron != micron technology
Component Component.Chassis.Memory[1] Field Model:  != 18ASF4G72AZ-3G2B1
Component Component.Chassis.Memory[1] Field Capacity: 0 != 34359738368
Component Component.Chassis.Memory[1] Field Speed: 0 != 3200000000
Component Component.Chassis.Memory[1].Firmware Field Version:  != N/A
Component Component.Chassis.Disk Field get.chassis: lengths differ (4 != 2)
Component Component.Chassis.Disk[0] Field Manufacturer: srs25480gf1m2b72 != 
Component Component.Chassis.Disk[0] Field Capacity: 4801039810 != 0
Component Component.Chassis.Disk[0].Firmware Field Version: FW1374 != 
Component Component.Chassis.Disk[0] Field Serial: SPG221104F6 != 2
Component Component.Chassis.Disk[1] Field Manufacturer: srs25480gf1m2b72 != 
Component Component.Chassis.Disk[1] Field Capacity: 4801039810 != 0
Component Component.Chassis.Disk[1].Firmware Field Version: FW1374 != 
Component Component.Chassis.Disk[1] Field Serial: SPG221104JW != 3
Component Component.Chassis.Disk [FleetDB EXTRA] Field get.chassis[2]: { SRS25480GF1M2B72 0 {} SPG221104F6}
Component Component.Chassis.Disk [FleetDB EXTRA] Field get.chassis[3]: { SRS25480GF1M2B72 0 {} SPG221104JW}
Component Component.Chassis.NIC[0] Field Speed: -1 != 25000000000
Component Component.Chassis.NIC[0].Firmware Field Version:  != 4.40 0x8001c970 1.3534.0
Component Component.Chassis.NIC[0].MACs Field get.NIC: lengths differ (0 != 1)
Component Component.Chassis.NIC[0].MACs [EMAPI EXTRA] Field get.NIC[0]: b4:96:91:e6:d3:c0
Component Component.Chassis.NIC[1] Field Speed: -1 != 25000000000
Component Component.Chassis.NIC[1].Firmware Field Version:  != 4.40 0x8001c970 1.3534.0
Component Component.Chassis.NIC[1].MACs Field get.NIC: lengths differ (0 != 1)
Component Component.Chassis.NIC[1].MACs [EMAPI EXTRA] Field get.NIC[0]: b4:96:91:e6:d3:c1