Revert "Revert "[LINARO] workqueues: Introduce new flag WQ_POWER_EFFICIENT for power oriented workqueues""

This reverts commit 81cce48f13a25b6d0359753d45adddee24d18316.
Revert "Revert "[LINARO] workqueue: Add system wide power_efficient workqueues""

This reverts commit 565c80b821ab8ab875e894ce1b4cb530ad394fc0.
Revert "Revert "[LINARO] block: queue work on power efficient wq""

This reverts commit acdfca755cec15fdfe9465139ef8772a5de12e04.
Revert "Revert "[LINARO] PHYLIB: queue work on system_power_efficient_wq""

This reverts commit cf95b1ae34e29462615e7e785d474cfe1d2a8fb2.
Revert "Revert "[LINARO] ASoC: pcm: Use the power efficient workqueue for delayed powerdown""

This reverts commit ebd3840906f60b8a36a1dee38f4d809364a87c2e.
Revert "Revert "[LINARO] regulator: core: Use the power efficient workqueue for delayed powerdown""

This reverts commit fa07a2b51475f13ded3a2ca1e8c8b03534b43be5.
Revert "Revert "[LINARO] ASoC: jack: Use power efficient workqueue""

This reverts commit b77a3fda7beedfd6411bab5a8ac94f25c2c71072.
Revert "Revert "jamiethemorris_defconfig: enable power efficient workqueues""

This reverts commit d69f82a48b92c085ed87542aae2de0f15d2d6a1c.
Revert "Revert "intelli_plug: code review clean up""

This reverts commit b93928aec68f4b24b8eeda7ab1734ac85d73865f.
Revert "Revert "intelli_plug: tune for tablet devices""

This reverts commit 69ccea2828fe4554c0a18ef2a69a825a6f25ac33.