The Arm Cortex-M System Design Kit includes a "dual-input timer module"
which combines two programmable down-counters. Implement a model
of this device.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NRichard Henderson <richard.henderson@linaro.org>
Message-id: 20180820141116.9118-4-peter.maydell@linaro.org