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

Qualcomm MSM

modulename: msm_vfe7x.ko

configname: CONFIG_ARCH_MSM

ARM system type
└─>Qualcomm MSM
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
Support for Qualcomm MSM7K based systems. This runs on the ARM11
apps processor of the MSM7K and depends on a shared memory
interface to the ARM9 modem processor which runs the baseband stack
and controls some vital subsystems (clock and power control, etc).

source code: