CONFIG_MACH_GOFLEXNET_DT is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Seagate GoFlex Net (Flattened Device Tree)
modulename: board-goflexnet.ko
configname: CONFIG_MACH_GOFLEXNET_DT
Linux Kernel Configuration
└─>Marvell Kirkwood Implementations
└─>Seagate GoFlex Net (Flattened Device Tree)
In linux kernel since version 3.1 (release Date: 2011-10-24)
Say 'Y' here if you want your kernel to support the
Seagate GoFlex Net (Flattened Device Tree).
Seagate GoFlex Net (Flattened Device Tree).