Revert "Disable lpm test"

This reverts commit fcd4ef264647277001cff711fe1a39b303a8790b.
Revert "msm: spm: add intermediate LPM mode for L2 PC"

This reverts commit e0ed20282085cf027918ef0aa4ad04fb8132ffc7.
Revert "msm: lpm: Alter the voting mechanism for lpm drivers"

This reverts commit 1bbd54bbd8e44aa66710072b83fea976c58bbb02.
Revert "Revert "msm: lpm_resources: Ignore RPM notifications only during RPM PC.""

This reverts commit add7a92c0f419800bb9dc8ace1781b8afd150c87.
Revert "Hammerhead: Register sleep status driver before regulator"

This reverts commit c5fe637deaeb763b5800b8b771424f587c1841b7.
Revert "msm: pm-8x60: Register sleep status driver before regulator"

This reverts commit a7103189083ef470838fd5ffff54acd838c51192.