Merge tag 'omap-for-v3.9/pm-signed' into omap-for-v3.9/pm-wfi-take2

OMAP PM related updates via Paul Walmsley <paul@pwsan.com>:

Remove some dead OMAP clock and device integration code and data.
Also, clean up the way that the OMAP device integration code blocks
WFI/WFE to use a consistent mechanism, controlled by a data flag.

Several OMAP2+ power management fixes, optimizations, and cleanup.
This series is a prerequisite for the functional powerdomain
conversion series.