x86_64: add getcpu syscall entry
x86_64: add getcpu syscall entry

* linux/x86_64/syscallent.h: Add syscall entry for getcpu.

Distrotech/strace,gcode-mirror/strace-plus,lizh06/strace-plus,cuviper/strace,vrastogi/strace,Andrey9kin/revisor,pgbovine/strace-plus,bigzz/strace_android,pgbovine/strace-plus,vrastogi/strace,Yu-AndroidM/android_external_strace,YUPlayGodDev/platform_external_strace,lkundrak/strace,Yu-AndroidM/android_external_strace,Saruta/strace,android-ia/platform_external_strace,android-ia/platform_external_strace,DirtyUnicorns/android_external_strace,geekboxzone/lollipop_external_strace,jamel/strace-plus,kapdop/android_external_strace,Saruta/strace,jamel/strace-plus,AOSP-YU/platform_external_strace,jamel/strace-plus,geofft/strace,vrastogi/strace,TeamExodus/external_strace,cuviper/strace,bigzz/strace_android,lizh06/strace-plus,bnoordhuis/strace,CyanogenMod/android_external_strace,geofft/strace,kapdop/android_external_strace,TeamExodus/external_strace,pgbovine/strace-plus,gcode-mirror/strace-plus,MonkeyZZZZ/platform_external_strace,cuviper/strace,kapdop/android_external_strace,AOSP-YU/platform_external_strace,TeamExodus/external_strace,pombredanne/strace,MonkeyZZZZ/platform_external_strace,pombredanne/strace,lizh06/strace-plus,bigzz/strace_android,MonkeyZZZZ/platform_external_strace,CyanogenMod/android_external_strace,Andrey9kin/revisor,CyanogenMod/android_external_strace,MonkeyZZZZ/platform_external_strace,bnoordhuis/strace,Saruta/strace,Saruta/strace,geekboxzone/mmallow_external_strace,Infinitive-OS/platform_external_strace,lizh06/strace-plus,geofft/strace,jamel/strace-plus,YUPlayGodDev/platform_external_strace,MonkeyZZZZ/platform_external_strace,YUPlayGodDev/platform_external_strace,xin3liang/platform_external_strace,gcode-mirror/strace-plus,geekboxzone/mmallow_external_strace,Yu-AndroidM/android_external_strace,Distrotech/strace,cuviper/strace,DirtyUnicorns/android_external_strace,AOSP-YU/platform_external_strace,geofft/strace,jamel/strace-plus,Andrey9kin/revisor,bigzz/strace_android,kapdop/android_external_strace,xin3liang/platform_external_strace,Infinitive-OS/platform_external_strace,Distrotech/strace,cuviper/strace,geekboxzone/lollipop_external_strace,Infinitive-OS/platform_external_strace,CyanogenMod/android_external_strace,lkundrak/strace,TeamExodus/external_strace,Yu-AndroidM/android_external_strace,vrastogi/strace,YUPlayGodDev/platform_external_strace,Distrotech/strace,Andrey9kin/revisor,Infinitive-OS/platform_external_strace,DirtyUnicorns/android_external_strace,gcode-mirror/strace-plus,pombredanne/strace,xin3liang/platform_external_strace,DirtyUnicorns/android_external_strace,Infinitive-OS/platform_external_strace,pombredanne/strace,geekboxzone/lollipop_external_strace,android-ia/platform_external_strace,geekboxzone/mmallow_external_strace,android-ia/platform_external_strace,xin3liang/platform_external_strace,bnoordhuis/strace,CyanogenMod/android_external_strace,YUPlayGodDev/platform_external_strace,pgbovine/strace-plus,pgbovine/strace-plus,AOSP-YU/platform_external_strace,geekboxzone/lollipop_external_strace,kapdop/android_external_strace,AOSP-YU/platform_external_strace,lkundrak/strace,geofft/strace,TeamExodus/external_strace,geekboxzone/lollipop_external_strace,android-ia/platform_external_strace,DirtyUnicorns/android_external_strace,Yu-AndroidM/android_external_strace,lizh06/strace-plus,geekboxzone/mmallow_external_strace,Distrotech/strace,bigzz/strace_android,bnoordhuis/strace,gcode-mirror/strace-plus,geekboxzone/mmallow_external_strace,Saruta/strace,vrastogi/strace,lkundrak/strace