Add console channel for thermal output

Needed for debugging upcoming TMP006 calibration changes

BUG=none
TEST=boot; EC console output should appear as before
BRANCH=link

Change-Id: I93a18949888533ecefd226fdc64e1fab7d52a8f1
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/35187
Reviewed-by: Bill Richardson <wfrichar@chromium.org>

common/console_output.c

@@ -37,6 +37,7 @@ static const char *channel_names[CC_CHANNEL_COUNT] = {
 	"spi",
 	"system",
 	"task",
+	"thermal",
 	"usbcharge",
 	"vboot",
 };

include/console.h

@@ -48,6 +48,7 @@ enum console_channel {
 	CC_SPI,
 	CC_SYSTEM,
 	CC_TASK,
+	CC_THERMAL,
 	CC_USBCHARGE,
 	CC_VBOOT,
 	/* Channel count; not itself a channel */