soc/intel/cannonlake: Add ICC limits for CFL-S DT 4

TEST=Boot with an i3-9100F and see no vr_config errors.

Change-Id: Ic62ef038ad11d147a38804f694d3e056611b96db
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47445
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/cannonlake/vr_config.c b/src/soc/intel/cannonlake/vr_config.c
index 2b621f7..1f85588 100644
--- a/src/soc/intel/cannonlake/vr_config.c
+++ b/src/soc/intel/cannonlake/vr_config.c
@@ -206,6 +206,11 @@
 	{ 54, value_not_set, VR_CFG_ALL_DOMAINS_ICC(11.1, 58, 45, 45) },
 	{  0, value_not_set, VR_CFG_ALL_DOMAINS_ICC(11.1, 40, 35, 35) },
 };
+VR_CONFIG_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_S_DT_4) {
+	{ 71, value_not_set, VR_CFG_ALL_DOMAINS_ICC(11.1, 100, 45, 45) },
+	{ 62, value_not_set, VR_CFG_ALL_DOMAINS_ICC(11.1, 79, 45, 45) },
+	{ 35, value_not_set, VR_CFG_ALL_DOMAINS_ICC(11.1, 66, 35, 35) },
+};
 VR_CONFIG_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_S_DT_8) {
 	{ 80, value_not_set, VR_CFG_ALL_DOMAINS_ICC(11.1, 193, 45, 45) },
 	{ 65, value_not_set, VR_CFG_ALL_DOMAINS_ICC(11.1, 186, 45, 45) },
@@ -304,6 +309,7 @@
 	VR_REFITEM_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_H),
 	VR_REFITEM_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_H_4),
 	VR_REFITEM_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_S_DT_2),
+	VR_REFITEM_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_S_DT_4),
 	VR_REFITEM_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_S_DT_8),
 	VR_REFITEM_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_S_S_8),
 	VR_REFITEM_ICC(PCI_DEVICE_ID_INTEL_CFL_ID_S_WS_8),