CONFIG_PXA310_ULPI is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_PXA310_ULPI (not configurable)

configname: CONFIG_PXA310_ULPI

Linux Kernel Configuration
└─>PXA310_ULPI
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
depends
CONFIG_ARCH_PXA

is depended by
CONFIG_CPU_PXA310