ArmSigInterruptPin helps connecting ArmInterruptPin with general interrupt pin. Change-Id: I4235fa0714054079a111163caca8dd3985999095 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/45266 Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>