x86/process: Fix kernel-doc warning due to a changed function name

Fix the following scripts/kernel-doc warning:

  arch/x86/kernel/process.c:412: warning: expecting prototype for tss_update_io_bitmap().
  Prototype was for native_tss_update_io_bitmap() instead.

  [ bp: Massage. ]

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220414062110.60343-1-jiapeng.chong@linux.alibaba.com