CONFIG_MACH_REALVIEW_PBX is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Support RealView(R) Platform Baseboard Explore for Cortex-A9
configname: CONFIG_MACH_REALVIEW_PBX
Linux Kernel Configuration
└─>ARM Ltd. RealView family
└─>Support RealView(R) Platform Baseboard Explore for Cortex-A9
In linux kernel since version 2.6.31 (release Date: 2009-09-09)
Include support for the ARM(R) RealView(R) Platform Baseboard
Explore.
Explore.