Revert "shamu: disable double tap in power HAL"

This reverts commit 2084f7d0cf50baf394759d175bc28ad80cf7cace.

Change-Id: Ic1a93676bf3758e05a6b90ab50e2f16ebac506b3
Merge "Revert "shamu: disable double tap in power HAL"" into lp5.0