Justin Hibbits 4290b4b849 powerpc: Bind IRQs to only one interrupt on QorIQ SoCs
The QorIQ SoCs don't actually support multicast interrupts, and the
references state explicitly that multicast is undefined behavior.  Avoid the
undefined behavior by binding to only a single CPU, using a quirk to
determine if this is necessary.

MFC after:	3 weeks
2019-02-06 03:52:14 +00:00
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