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

Qualcomm MSM

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 MSM/QSD based systems. This runs on the
apps processor of the MSM/QSD and depends on a shared memory
interface to the modem processor which runs the baseband
stack and controls some vital subsystems
(clock and power control, etc).


is selected by
CONFIG_ARCH_MSM8960