baytrail: change power consumption number for ACPI_C3/C6FS.

The original power consumption number for C6FS is equal to
power consumption number for C6NS, which is wrong. The number
should be close to 0 but let's set as 1.

BUG=chrome-os-partner:23628
BRANCH=baytrail
TEST=Build and boot to OS on Rambi.

Change-Id: Iab6b9fa06896796f2c6061d754a321e9a6964092
Signed-off-by: Kein Yuan <kein.yuan@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/186934
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/baytrail/acpi.c

@@ -73,7 +73,7 @@ static acpi_cstate_t cstate_map[] = {
 		/* C6FS with full L2 shrink */
 		.ctype = 3, /* ACPI C3 */
 		.latency = 1500, /* 1.5ms worst case */
-		.power = 10,
+		.power = 1,
 		.resource = MWAIT_RES(5, 2),
 	}
 };