S1A: PXP Bringup Bootloader BL30 code portinig [1/3]

PD#SWPL-119444

Problem:
S1A PXP Bringup Bootloader BL30.

Solution:
Code porting from S4, S5 and ucode.

Verify:
Test in z1.

Change-Id: I02c33efc798dcb77248772f360ce8b1862039ce7
Signed-off-by: bangzheng.liu <bangzheng.liu@amlogic.com>
17 files changed