irq-urgent-2020-11-08

 - Fix the fallout of the IPI as interrupt conversion in Kconfig and the
   BCM2836 interrupt chip driver/

 - Fixes for interrupt affinity setting and the handling of hierarchical
   irq domains in the SiFive PLIC driver.

 - Make the unmapped event handling in the TI SCI driver work correctly.

 - A few minor fixes and cleanups in various chip drivers and Kconfig.