tree cb4e29824a74b4e526f21cd2b9de49860e45bf47
parent 2343cfc68f7e55fe17dc50ce5cbdad3767c6ad1c
author Patrick Venture <venture@google.com> 1547758616 -0800
committer Patrick Venture <venture@google.com> 1548175850 -0800

lpc_aspeed: implement mapRegion as part of copyFrom

For the lpc aspeed ctrl driver, it'll use mmap to map the memory region
instead of using an ioctl.

Change-Id: I884fb5713b4c853cc84c8e994969b385392bdc95
Signed-off-by: Patrick Venture <venture@google.com>