uboot source code init for ADT4

BUGļ¼š243826112

build cmd:
./fip/mk sc2_ah212 --avb2 --vab --fastboot-write --build-nogit

bl2: 566a5d185332e3c36a1e484adc77c3d797a406b0
bl30: c377f94e241b4d2c37cf6699b508b908633b5e87
bl31: 7f1d253c16ef0e841ad6dbbd3afff7de883f7349
bl32: c0a6c90a271da4a08485b094e5d7417947548244
bl33: 46db68c8d4bea61905c41bd285110f8684e7ad8a
bl40: c5485a46f6aaf5844db5ecef7d4b7cef7e1aedbf
soc:  cc65bc9fb0915ee9dd7e7ae2dc08f74f446a6cad
fip: c8e2beee706928e068f75e721a2003a3ec5e1dba

Change-Id: I2277d2a8c8c25026102a7e86fce7a6045e8b30b1
Signed-off-by: Liang Ji <liang.ji@amlogic.com>