ARM: zx: Add basic defconfig support for ZX296702
ARM: zx: Add basic defconfig support for ZX296702

Add basic defconfig support to zx SOC, including uart, mmc
 and other common config

Signed-off-by: Jun Nie <16d8bc3f29c489fdc436b48884adedee8c6f9a7b@linaro.org>
Signed-off-by: Arnd Bergmann <f2c659f01951776204a6c5b902787d9019fbeebd@arndb.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs