feat(imx8ulp): protect TEE region for secure access only

Using XRDC MRC4/5/6 to restrict the secure access for TEE DDR
memory to protect TEE.

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: Ic161df6a98ded23b9a74d552717fc5dcc1ee2ae8
1 file changed