CHROMIUM: WAR: arm64: dts: qcom: qcs404-mistral: enable TZ user interface

(cherry picked from commit 08a646bd4c0f0320540b3df22342454157de66ea
https://github.com/ldts/qualcomm-lt-kernel/commits/chromiumos-4.14-r4/trust-zone-release

)

BUG=b:132310400
TEST=Verifying XPU Violation in both trusted & Untrusted modes.

Change-Id: If9c5e15309d98e5093d49b0a9bf44080f9246dc5
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Signed-off-by: Praveen Koya <pkoya@codeaurora.org>
Signed-off-by: Vamsi Singamsetty <vamssi@codeaurora.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1643392


Reviewed-by: Julan Hsu <julanhsu@google.com>
Tested-by: Julan Hsu <julanhsu@google.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>