aoc: s2mpu: Don't configure S2MPU

AoC S2MPU should be configured either by the S2MPU driver or by TZ.
Remove all S2MPU code from here.

Bug: 342511931
Change-Id: I7d4b1e5d0146ab8869f0af7db49d52179f747b3b
Merged-In: I7d4b1e5d0146ab8869f0af7db49d52179f747b3b
Signed-off-by: Mostafa Saleh <smostafa@google.com>
3 files changed