Add two build configs for i.MX6ULL 9X9 EVK. And update lpddr2 script
for the board to version 1.0.
DDR script:
IMX6ULL_9X9_LPDDR2_400MHz_16bit_V1.0.inc
Changes:
Initial version
Test:
Passed memtester overnight test on 1 board.
Signed-off-by: Ye Li <ye.li@nxp.com>