mainboard/google/nocturne: Enable IPU3

Enable Image Processing Unit and CIO2 device that constitute IPU3.

BUG=None
TEST=Build and boot up into Nocturne platform and check with lspci.

Change-Id: Ic2edf5ec7bde5c55ce1b13cf7b680094a9fffc6a
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-on: https://review.coreboot.org/27124
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
diff --git a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
index 17bd3c0..d815143 100644
--- a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
@@ -40,8 +40,8 @@
 	register "EnableTraceHub" = "0"
 	register "SsicPortEnable" = "0"
 	register "SmbusEnable" = "1"
-	register "Cio2Enable" = "0"		# FIXME: enable once MIPI is ready
-	register "SaImguEnable" = "0"		# FIXME: enable once MIPI is ready
+	register "Cio2Enable" = "1"
+	register "SaImguEnable" = "1"
 	register "ScsEmmcEnabled" = "1"
 	register "ScsEmmcHs400Enabled" = "1"
 	register "ScsSdCardEnabled" = "0"