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

CONFIG_MSM_SCM (not configurable)

modulename: scm.ko

configname: CONFIG_MSM_SCM

Linux Kernel Configuration
└─>MSM_SCM
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
source code:
/arch/arm/mach-msm/
depends
CONFIG_ARCH_MSM