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

CONFIG_SHARPSL_PM (not configurable)

modulename: sharpsl_pm.ko

configname: CONFIG_SHARPSL_PM

Linux Kernel Configuration
└─>SHARPSL_PM
In linux kernel since version 2.6.16 (release Date: 2006-03-19)  
source code:
arch/arm/common/sharpsl_pm.c
selects
CONFIG_APM_EMULATION