lisa._assets.kmodules.sched_tp: tp.h: Split enable/disable functions from feature definition
lisa._assets.kmodules.sched_tp: tp.h: Split enable/disable functions from feature definition

Refactor so that it's possible to create the tracepoint-based
enable/disable functions without defining the feature. This would allow
features using tracepoints among other things to reuse the
registering/deregistering logic.

ARM-software/lisa,ARM-software/lisa,ARM-software/lisa,ARM-software/lisa