tree 16b2fa3c00b60e9d076c50d91aa8b65f822bbe23
parent f18e2abdd5f03c3f70789990d8098acfa60f4177
author Wayne Ren <wei.ren@synopsys.com> 1513759725 +0800
committer Andrew Boie <andrewboie@gmail.com> 1516305059 -0800

arch: arc: Add the intial support of memory domain

Refering the ARM's implementation, the initial support of memory
domain in ARC is added:
* changes in MPU drivers
* changes in Kconfig
* codes to configure memory domain during thread swap
* changes in linker script template
* memory domain related macro definitions

the commited codes are simply tested through
samples/mpu/mem_domain_apis_test.

Signed-off-by: Wayne Ren <wei.ren@synopsys.com>