hw/exynos4210.c: Add LAN support for SMDKC210. SMDKC210 uses lan9215 chip, but lan9118 in 16-bit mode seems to be enough. Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>