hw/intc/arm_gicv5: Implement Deactivate command Implement the equivalent of the GICv5 stream protocol's Deactivate command, which lets the cpuif tell the IRS to deactivate the specified interrupt. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Message-id: 20260327111700.795099-51-peter.maydell@linaro.org