arm-v8m: fix mpu wrong end address

The RLAR LIMIT is inclusive

Author: sirchnik

arch/cortex-m33/src/mpu_v8m.rs

@@ -356,7 +356,8 @@ impl CortexMRegion {
 
         // Limit Address register
         let rlar_value = MPU_RLAR::ENABLE::SET
-            + MPU_RLAR::LIMIT.val((logical_end as u32) >> 5)
+            // RLAR::LIMIT is inclusive so `- 1` here to not have the region 32 bytes further.
+            + MPU_RLAR::LIMIT.val(((logical_end - 1) as u32) >> 5)
             + MPU_RLAR::PXN::Disable
             + MPU_RLAR::ATTRINDX.val(0);