rk3328 SPL is locate at dram, so do not have strict size limit,
suppose to enable storage media controller driver, load ATF and
U-Boot, then boot into ATF.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
[cherry picked from 4ebe3968b6 with minor modifications]
Signed-off-by: Matwey V. Kornilov <matwey.kornilov@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>