omap-for-v3.19/gic-regression-v2

A rather urgent pull request to fix omap4 legacy interrupts.

The legacy interrupts on omap4 got broken when gic got changed to
use irq_domain_add_linear() instead of the irq_domain_add_legacy(). We
still have the hardcoded legacy IRQ numbers in use in several places,
most notably the in the legacy DMA. It took a while to figure out
what the problem was and how it should be fixed for the -rc series.

Also include is a regression fix for the dra7 dwc3 suspend.
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