CONFIG_DEBUG_MSM8960_UART is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Kernel low-level debugging messages via MSM 8960 UART

configname: CONFIG_DEBUG_MSM8960_UART

Kernel low-level debugging port
└─>Kernel low-level debugging messages via MSM 8960 UART
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Say Y here if you want the debug print routines to direct
their output to the serial port on MSM 8960 devices.