msm: ais: sensor: Fix turning clocks off during suspend

Added condition check for suspend only if sensor state is power
down and for resume only if sensor state is power up in
pm functions on sensor driver to control.

Change-Id: Ia31f34dc103428423a86efe8f8012db18b5a75f1
Signed-off-by: Suprith Malligere Shankaregowda <supgow@codeaurora.org>