Add support board veyron:
1)Support driver rktimer
2)Support driver rkserial
3)Support config.veyron
BUG=chrome-os-partner:29778
TEST=emerge-veyron libpayload
Change-Id: I2cccedf3b62883dd372842a7972e93f2ebbfb282
Signed-off-by: huang lin <hl@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/206184
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: Julius Werner <jwerner@chromium.org>
Commit-Queue: Julius Werner <jwerner@chromium.org>