drivers: interrupt-controller: Add VIM Interrupt Controller support

Add TI VIM (Vectored Interrupt Manager) interrupt controller support.
VIM is a TI specific custom interrupt controller for ARM cores.
In J721E soc, VIM aggregates interrupts to Cortex R5 cores.

TRM for J721e https://www.ti.com/lit/zip/spruil1


File: spruil1c.pdf
VIM: section 6.3.3.6

Signed-off-by: Prashanth S <slpp95prashanth@yahoo.com>