SoC s7 s7d: add bl30 board [1/2]

PD#SWPL-184133

Problem:
s7/s7d add board to support 4*8bit ddr config.

Solution:
s7 add board t233_s905y5.
s7d add board t232_s905x5m.

Verify:
s7 t233_s905y5, s7d t232_s905x5m

Change-Id: I33a5e558dc19b62189830884eda5bd4ed499cd2f
Signed-off-by: bangzheng.liu <bangzheng.liu@amlogic.com>
33 files changed