CONFIG_MACH_CM_T3730 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_MACH_CM_T3730 (not configurable)

configname: CONFIG_MACH_CM_T3730

Linux Kernel Configuration
└─>TI OMAP2/3/4 Specific Features
└─>MACH_CM_T3730
In linux kernel since version 3.1 (release Date: 2011-10-24)  

is depended by
CONFIG_MACH_CM_T35