arm: dts: Correct emmc dts compatible.

Change emmc dts compatible from hi3716-dw-mshc to hix5hd2-dw-mshc.

Signed-off-by: xuejiancheng <xuejiancheng@huawei.com>
drivers:ethernet: add ethernet support for hix5hd2

Add ethernet driver support for hix5hd2 soc

Signed-off-by: xuejiancheng <xuejiancheng@huawei.com>