baytrail: add cpuid for C0

The C0 part uses a new cpuid.

BUG=None
BRANCH=squawks,rambi
TEST=None.

Change-Id: Iddf1bc4d6f7bbec3ca92bff8edf613e00a4b4286
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/181980
Reviewed-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: http://review.coreboot.org/5031
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/soc/intel/baytrail/cpu.c

@@ -117,6 +117,7 @@ static struct device_operations cpu_dev_ops = {
 
 static struct cpu_device_id cpu_table[] = {
 	{ X86_VENDOR_INTEL, 0x30673 },
+	{ X86_VENDOR_INTEL, 0x30678 },
 	{ 0, 0 },
 };