Board configuration interfaces are now defined in board_config.h, not
in every board.h file.
Tidied /alphabetized CONFIG defines.
No functional changes, just rearranging code.
BUG=chrome-os-partner:18343
BRANCH=none
TEST=build all targets
Change-Id: I6196591784f8fa9ce6dfccd31891b679fb200063
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/47419
