Before adding new features, move these definitions to a separate header
to avoid further cluttering common.h.
Change-Id: Ib4be207f2536b4e9f12f32033c6034cb9fe4ccd7
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
(cherry picked from commit 0e98b0a65092d6573eb17d07e04455f9cf545b21)