Early Suspend Delay v1.0a - SysFS interface

* /sys/kernel/early_suspend/early_suspend_delay (rw)
 *
 *   time to pause in miliseconds (0 - 700ms)
 *
 * /sys/kernel/early_suspend/version (ro)
 *
 *   display early suspend delay version information

 credits to Yank555.lu

 modified by andip71 to set default delay of 100ms instead of disabled