KL/KT: Add a new seckey driver [1/1]

PD#SWPL-124965

Problem:
Need key ladder/table driver for kernel5.15
The KT driver needs to be separated from the descrambler.
New APIs are needed for the KT driver.

Solution:
Create a seckey driver.

Verify:
S5 KT/KL with DMA
T3 METACAS with Descramble
T5W

Change-Id: Id058e64f99918b66e79d24647880f999f55ca13a
Signed-off-by: Doosan Baek <doosan.baek@amlogic.com>
30 files changed