soc/intel/tigerlake: Disable TC cold support

This change lets IOM consider all USB connected devices as device
attached(DA) scenario. While connecting a typec-to-a dongle, IOM would
disable TC cold and help to resolve enemuration failure after usb3
device is plugged into the dongle.

BUG=b:173054070
TEST=Build and boot on delbin.

Signed-off-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com>
Change-Id: I0ad0322693b4f8fbf1000b24eb21dddcebec686b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49244
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: John Zhao <john.zhao@intel.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/tigerlake/fsp_params.c

@@ -134,6 +134,9 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
 	 */
 	params->ITbtConnectTopologyTimeoutInMs = 0;
 
+	/* Disable TcColdOnUsbConnect */
+	params->DisableTccoldOnUsbConnected = 1;
+
 	/* Chipset Lockdown */
 	if (get_lockdown_config() == CHIPSET_LOCKDOWN_COREBOOT) {
 		params->PchLockDownGlobalSmi = 0;