fix:

 arch/x86/kernel/numaq_32.c: In function ‘numaq_tsc_disable’:
 arch/x86/kernel/numaq_32.c:99: warning: ‘return’ with a value, in function returning void
Signed-off-by: NYinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>