soc/intel/cometlake: Add ISH Device ID

This Device ID is specific to CML, since it is obtained by reading ISH
configuration RO register.
In order to export ISH to kernel PCI device tree, this number must be
included in list of devices supported.

Change-Id: I6d245f1b3f0d0cfec77c31033eb20f147fd3d870
Signed-off-by: Bernardo Perez Priego <bernardo.perez.priego@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34687
Reviewed-by: Li1 Feng <li1.feng@intel.com>
Reviewed-by: Mathew King <mathewk@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/intel/ish/ish.c

@@ -66,6 +66,7 @@ static const struct device_operations pci_ish_device_ops = {
 
 static const unsigned short pci_device_ids[] = {
 	PCI_DEVICE_ID_INTEL_CNL_ISHB,
+	PCI_DEVICE_ID_INTEL_CML_ISHB,
 	0
 };