arch/arm/src/armv7-m: Disabling MPU sharablity for user memory.
Shareablity is not required for applications, it is used only when
multiprocessor or DMA operation is required.
@@ -338,7 +338,6 @@ void mpu_user_intsram_context(uint32_t region, uintptr_t base, size_t size, uint
regval = MPU_RASR_ENABLE | /* Enable region */
MPU_RASR_SIZE_LOG2((uint32_t)l2size) | /* Region size */
((uint32_t)subregions << MPU_RASR_SRD_SHIFT) | /* Sub-regions */
- MPU_RASR_S | /* Shareable */
MPU_RASR_C | /* Cacheable */
MPU_RASR_AP_RWRW; /* P:RW U:RW */
regs[2] = regval;
