bd82x6x: Move to common FADT.

Change-Id: I04ed600796c55f5af4f0a07687f676e6484a9830
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7200
Reviewed-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
diff --git a/src/mainboard/samsung/stumpy/devicetree.cb b/src/mainboard/samsung/stumpy/devicetree.cb
index ab03c79..618d1e0 100644
--- a/src/mainboard/samsung/stumpy/devicetree.cb
+++ b/src/mainboard/samsung/stumpy/devicetree.cb
@@ -51,6 +51,9 @@
 
 			register "sata_port_map" = "0x3"
 
+			register "c2_latency" = "1"
+			register "p_cnt_throttling_supported" = "0"
+
 			# SuperIO range is 0x700-0x73f
 			register "gen2_dec" = "0x003c0701"