Zedboard interrupt troubles

[Thomas Skibo]

Hello.

I started seeing funny things happen on the Zedboard and traced it down to interrupt configurations.  My level-sensitive interrupts were being configured as edge-triggered which caused me to lose some receive interrupts.  I fixed it in zedboard.dts and zybo.dts by converting over to interrupt triples.  Do these look okay?  I can throw them on phabricator if you want.

I also attached a minor fix to the cgem driver.  It ignores the status property in the device tree.

Thanks,
—Thomas


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