mb/google/{poppy,nautilus,soraka}: Disable deep S3

Poppy and variants won't be using deep S3. This change disables deep
S3 option in devicetree.

BUG=b:69053636

Change-Id: I5fb4a6a0e4216a3648b5ed888f6dc6618f1a9fc4
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/22378
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/mainboard/google/poppy/variants/soraka/devicetree.cb b/src/mainboard/google/poppy/variants/soraka/devicetree.cb
index 1c342a4..14c2b06 100644
--- a/src/mainboard/google/poppy/variants/soraka/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/soraka/devicetree.cb
@@ -2,7 +2,7 @@
 
 	# Deep Sx states
 	register "deep_s3_enable_ac" = "0"
-	register "deep_s3_enable_dc" = "1"
+	register "deep_s3_enable_dc" = "0"
 	register "deep_s5_enable_ac" = "1"
 	register "deep_s5_enable_dc" = "1"
 	register "deep_sx_config" = "DSX_EN_LAN_WAKE_PIN | DSX_EN_WAKE_PIN"