tree cfde92e169b094f78038d7f10106966c00fe0177
parent bef42ed1d0c7b22234cf2b7ca581e7b3280bf207
author Lei YU <mine260309@gmail.com> 1484550324 +0800
committer Lei YU <mine260309@gmail.com> 1501554667 +0800

Implement BmcEpoch set/get elapsed()

Getting elapsed returns BMC's time;
Setting elapsed will check the current time mode/owner, and will return
error when mode is NTP or owner is HOST.

Add unit test cases.

Change-Id: Ibf4e90957f3b26b68c4a1b6dc66dc364c66bef10
Signed-off-by: Lei YU <mine260309@gmail.com>