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
└─>SHARPSL_PM
In linux kernel since version 2.6.16 (release Date: 2006-03-19)  

depends
CONFIG_ARCH_PXA

is depended by
CONFIG_PXA_SHARP_Cxx00