update kexec to 2.6.39 version, still doesn't work...
Revert "call real kernel_restart_prepare"
This reverts commit
564905afa42095ac74577634db65f902f2533c31.
apply upstream commit
1f667c690be3ab71036c436d8391105eee23f65b
ARM: 5886/1: arm: Fix cpu_proc_fin() for proc-v7.S and make kexec work