Enable first SATA port in Rambi device tree. BUG=chrome-os-partner:23643 TEST=TEST=Manual, in dev mode. Verify on rambi that SATA disk is detected, and kernel is found + booted. Change-Id: Ic0cb5f9ff17ca0f6cc7941f203b9338df200811d Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/174916 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4914 Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Tested-by: build bot (Jenkins)