Revert "Revert "Makefile: Remove double entry and add Cortex-a9 flag""

This reverts commit 9bd19c8a47aa7050a12385d21d54f60c1f859133.
Revert "omap: cpuidle: Fix"

This reverts commit d907f59095b60a3456db50af6492d512e9c6a34c.
Revert "Revert "omap: pm: move MPU PRCM interrupt event to perform before clearing source events""

This reverts commit 473e7d9f95c29e5e365d8dbec053b12b63e018c7.
Revert "Revert "kernel: power: process: reduce the time until device enters lowpower mode""

This reverts commit 70821a43a3855056b4733c46ae32f8184bf0fe7d.
Revert "Revert " timer: optimize apply_slack()""

This reverts commit 0ba74b37f489903a5e8584143ddc6062985d9af1.
Revert "Revert "drivers: i2c: i2c-omap: use usleep range instead of msleep""

This reverts commit 8ba1233dab7a784b36f8a0f189c397058dec3dc8.