CONFIG_MACH_LOFT is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Loft
configname: CONFIG_MACH_LOFT
Linux Kernel Configuration
└─>Intel IXP4xx Implementation Options
└─>Loft
In linux kernel since version 2.6.21 (release Date: 2007-04-25)
Say 'Y' here if you want your kernel to support the Giant
Shoulder Inc Loft board (a minor variation on the standard
Gateworks Avila Network Platform).
Shoulder Inc Loft board (a minor variation on the standard
Gateworks Avila Network Platform).