system-arm: Add irq for hypervisor timer in device tree

ARM fast model CPU cannot get timer interrupts without this IRQ setting
in the device tree.

Change-Id: I084c475c04285f4f40eb38a80ddd038207e4764f
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/19650
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
2 files changed