Add Atom C3000 watchdog ID.

sys/dev/ichwd/ichwd.c

@@ -294,6 +294,7 @@ static struct ichwd_device ichwd_devices[] = {
 static struct ichwd_device ichwd_smb_devices[] = {
 	{ DEVICEID_LEWISBURG_SMB, "Lewisburg watchdog timer",		10, 4 },
 	{ DEVICEID_SRPTLP_SMB,    "Sunrise Point-LP watchdog timer",	10, 4 },
+	{ DEVICEID_C3000,         "Intel Atom C3000 watchdog timer",	10, 4 },
 	{ 0, NULL, 0, 0 },
 };
 

sys/dev/ichwd/ichwd.h

@@ -65,6 +65,7 @@ struct ichwd_softc {
 
 #define	VENDORID_INTEL		0x8086
 #define	DEVICEID_BAYTRAIL	0x0f1c
+#define	DEVICEID_C3000		0x19df
 #define	DEVICEID_CPT0		0x1c40
 #define	DEVICEID_CPT1		0x1c41
 #define	DEVICEID_CPT2		0x1c42