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

CONFIG_SHARPSL_PM (not configurable)

configname: CONFIG_SHARPSL_PM

Linux Kernel Configuration
└─>Intel PXA2xx/PXA3xx Implementations
└─>SHARPSL_PM
In linux kernel since version 2.6.16 (release Date: 2006-03-19)  
selects
CONFIG_APM_EMULATION
CONFIG_SHARPSL_PM_MAX1111

depends
CONFIG_ARCH_PXA