Revert "x86: disable X86_PTRACE_BTS"
Revert "x86: disable X86_PTRACE_BTS"

This reverts commit 40f15ad8aadff5ebb621b17a6f303ad2cd3f847d.

The CONFIG_X86_PTRACE_BTS bugs have been fixed via:

 c5dee61: x86, bts: memory accounting
 bf53de9: x86, bts: add fork and exit handling

Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas