SoC t6d: PXP Bringup Bootloader BL30 code portinig [2/3]

PD#SWPL-164149

Problem:
T6D PXP Bringup Bootloader BL30.

Solution:
Code porting from t5m, s7 and ucode.

Verify:
Test in T6D PXP.

Change-Id: I644256629a49e1d607e9ae98fdffecdb5a41aada
Signed-off-by: bangzheng.liu <bangzheng.liu@amlogic.com>
16 files changed