* add board support for android and android things.
mx6ul_nxpu_iopb, pico-6ul, pico-imx7d, aquila-6ul
reorganize the Kconfig, and fix the redefine issue.
* add android configure into configure-while
* add a common file mx_android_common.h
it will be included by android and android things.
defconfig only include ANDROID_THINGS_SUPPORT or ANDROID_SUPPORT
* move partition_table_valid into f_fastboot.c.
it's a common code.
* add invalidate_dcache_range in fixed order.
It will have salt invalid issue if we do not add it in order
* add display for pico-7d.
Change-Id: I6f8a4876c2f8bbd098034d1e3f53033109300bca
Signed-off-by: zhang sanshan <sanshan.zhang@nxp.com>
