CONFIG_MACH_HREFV60 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
U8500 Development platform, HREFv60 version
configname: CONFIG_MACH_HREFV60
Linux Kernel Configuration
└─>Ux500 target platform (boards)
└─>U8500 Development platform, HREFv60 version
In linux kernel since version 3.1 (release Date: 2011-10-24)
Include support for the HREFv60 new development platform.
Includes HREFv70, v71 etc.
Includes HREFv70, v71 etc.