power: qpnp-bms: hold a wakelock while calculating capacity
power: qpnp-bms: hold a wakelock while calculating capacity

It was observed that the system goes to suspend when the SOC calculation
is half way through. Prevent it from going to suspend when SOC
calculation is in progress.

Change-Id: I8998308491dd73772e474c656811e1fd36b43ec8
Signed-off-by: Xiaozhe Shi <4c58d9c21c42c2a4cf34b559441bd01b9c143cf4@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas