[Feature][ZXW-237]merge 4Gb DDR patch

Only Configure: No
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: Ic1d54476f67c48ed9033043c248b6ae7ae76515e
34 files changed