cpuidle: lpm-levels: Fix regulator and clock prints in the suspend path

Move the clock/regulator dumps to LPM suspend entry to avoid the
possibility of scheduling while in atomic context as a mutex needs to
be acquired before dumping the enabled clocks list.

Change-Id: Ic3d65d78a3896aa969c759fc45193f3a4e3e772c
Signed-off-by: Taniya Das <tdas@codeaurora.org>