SoC t6d: bl30 add board br301, br309 [1/1]

PD#SWPL-179190

Problem:
bl30 t6d board is only t6d_skt.

Solution:
add board br301_t950d5, br309_t950d5.

Verify:
local build all board pass.

Change-Id: Ife02859d978d5ca8496ff5461d13bb13e2e29563
Signed-off-by: bangzheng.liu <bangzheng.liu@amlogic.com>
31 files changed