SoC t6d: PXP Bringup Bootloader BL30 code portinig [1/3]

PD#SWPL-164149

Problem:
T6D PXP Bringup Bootloader BL30.

Solution:
Code porting from t5m, s7 and ucode.

Verify:
Test in T6D PXP.

Change-Id: I92f11ea73e201e8e729cae9463d8ad44957b338e
Signed-off-by: bangzheng.liu <bangzheng.liu@amlogic.com>
22 files changed