SoC changes for omaps for v4.3 merge window:

- Clean-up omap4_local_timer_init to drop deal legacy code

- Provide proper IO map table for dra7

- Clean-up IOMMU layer init code as it now uses IOMMU framework

- A series of changes to fix up dm814x support that's been in a broken
  half-merged state for quite some time

- A series of PRCM and hwmod changes via Paul Walmsley <paul@pwsan.com>:

  - I/O wakeup support for AM43xx
  - register lock and unlock support to the hwmod code (needed for the RTC
    IP blocks on some chips)
  - several fixes for sparse warnings and an unnecessary null pointer test
  - a DRA7xx clockdomain configuration workaround, to deal with some hardware
    bugs
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