Second set of omap device tree changes for v4.5 merge window. This series

updates the EDMA bindings based on the various fixes to split EDMA into
separate independent devices. It also adds support for more devices on the
CompuLab cm-t335 and LogicPD Torpedo boards, and enables the new bindings
for qspi for am437x and dra7. There are also few dra7 regulator fixes, and
change of gpoi-key,wakeup to wakeup-source.

These depend on commit ae0add740cd0 ("dmaengine: edma: DT: Change reserved
slot array from 16bit to 32bit type") already merged into mainline.
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