Revert "disable lpa in pico board"

This reverts commit 4799c738951b162717925daaab44641210fce55d.

Conflicts:
	arch/arm/mach-msm/board-pico.c
Revert "disable audio lpa and update"

This reverts commit fadb60e53d569c486b3a1f1545c77566a5feac07.