Add the mem_native library for native memory access

This library is used by the new FPGA-TIO driver. It uses C library
to direct access the memory, instead of using the memtool.

BUG=chromium:374103
TEST=Pending test, to wait for all the stuffs ready for the FPGA-TIO driver.

Change-Id: Ibfbaad0cdc13c30c08ceead502b31cc6a91f1020
Reviewed-on: https://chromium-review.googlesource.com/200213
Reviewed-by: Dean Liao <deanliao@chromium.org>
Commit-Queue: Wai-Hong Tam <waihong@chromium.org>
Tested-by: Wai-Hong Tam <waihong@chromium.org>
1 file changed