ta: fixed issue about riscure security review. [1/1]

PD#RSP-1116

Problem:
S905C2 Riscure security review findings in VIDEOFW TA

Solution:
check the buffer size is avalid before alloc buffer.

Verify:
ac214,ah212

Change-Id: I7868925ca250fd79db085e83c94a50ed54d633f4
Signed-off-by: Nanxin Qin <nanxin.qin@amlogic.com>
2 files changed