rk3288: add cpu and chip

BUG=chrome-os-partner:29778
TEST=Build coreboot

Change-Id: I4c1864171e56a81e8eda95a15ca6a6bc1adc7a70
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 814af4b653432295cb6d7222af4a6e5a8d9dfbf6
Original-Change-Id: I1a986fbc8b3737bae655207dd89865dd39aecf87
Original-Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/209467
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Commit-Queue: Lin Huang <hl@rock-chips.com>
Original-Tested-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: http://review.coreboot.org/8866
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
diff --git a/src/soc/rockchip/rk3288/Makefile.inc b/src/soc/rockchip/rk3288/Makefile.inc
index 446aa78..1a438e8e 100644
--- a/src/soc/rockchip/rk3288/Makefile.inc
+++ b/src/soc/rockchip/rk3288/Makefile.inc
@@ -41,6 +41,7 @@
 romstage-y += media.c
 romstage-y += sdram.c
 
+ramstage-y += soc.c
 ramstage-y += cbmem.c
 ramstage-y += timer.c
 ramstage-y += monotonic_timer.c