hw/arm/exynos4210: Add DMA support for the Exynos4210 Reviewed-by: Peter Maydell <peter.maydell@linaro.org> rather than the board (Peter Maydell), add dtsi in commit message] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>