Move ioctl TCSBRKP support to compat layer. Same rationale as TCSBRK.

- Remove corresponding code under ppc64, sparc64 and s390.
- Use ULONG_IOCTL() instead of COMPATIBLE_IOCTL(), since the argument is int, 
  not pointer.
Signed-off-by: Gordon Jin <gordon.jin@intel.com>
Signed-off-by: Arun Sharma <arun.sharma@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>