fix "smp_call_function: get rid of the unused nonatomic/retry argument"

fix:

arch/x86/kernel/process.c: In function 'cpu_idle_wait':
arch/x86/kernel/process.c:64: error: too many arguments to function 'smp_call_function'

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

diff --cc arch/x86/kernel/process.c
Simple merge