CONFIG_MIPS_DB1XXX is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
Alchemy DB1XXX / PB1XXX boards
configname: CONFIG_MIPS_DB1XXX
Machine type
└─>Alchemy DB1XXX / PB1XXX boards
In linux kernel since version 3.10 (release Date: 2013-06-30)
Select this option if you have one of the following Alchemy
development boards: DB1000 DB1500 DB1100 DB1550 DB1200 DB1300
PB1500 PB1100 PB1550 PB1200
Board type is autodetected during boot.
development boards: DB1000 DB1500 DB1100 DB1550 DB1200 DB1300
PB1500 PB1100 PB1550 PB1200
Board type is autodetected during boot.