Kconfig: print epoch values in system suspend and resume cycles

Print epoch values when the device is enter and exit out of suspend
and resume. These epoch values are useful to know how long the device
is in suspend state. These values can be used to synchronize various
subsystem timestamps and have an unique timestamp to correlate
between various subsystems.

Change-Id: Ibe04b914649db1f2ee0ae748f3950ca646323ef1
Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org>