cpu 성능 관련 kernel 수정
1) system type -> high speed time limit 관련 언체크 -> 현재 적용된것
2) cpu power management -> cpu frequency scaling -> default cpufreq govenor -> performance로 변경 -> 발열이슈
3) cpu power management -> cpu frequency scaling -> on demand cpufreq policy govenor ->발열이슈
