i2c: i801: Fix the Intel Diamond Rapids features

Diamond Rapids does not support the iTCO feature.
Adding also the missing comment describing Diamond
Rapids while at it.

Fixes: 084cbc5 ("i2c: i801: Add support for Intel Diamond Rapids")
Reported-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20251028105342.2281687-1-heikki.krogerus@linux.intel.com

Author: Heikki Krogerus

drivers/i2c/busses/i2c-i801.c

@@ -84,6 +84,7 @@
  * Panther Lake-H (SOC)		0xe322	32	hard	yes	yes	yes
  * Panther Lake-P (SOC)		0xe422	32	hard	yes	yes	yes
  * Wildcat Lake-U (SOC)		0x4d22	32	hard	yes	yes	yes
+ * Diamond Rapids (SOC)		0x5827	32	hard	yes	yes	yes
  *
  * Features supported by this driver:
  * Software PEC				no
@@ -1055,7 +1056,7 @@ static const struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE_DATA(INTEL, METEOR_LAKE_SOC_S_SMBUS,	FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ PCI_DEVICE_DATA(INTEL, METEOR_LAKE_PCH_S_SMBUS,	FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ PCI_DEVICE_DATA(INTEL, BIRCH_STREAM_SMBUS,		FEATURES_ICH5)			 },
-	{ PCI_DEVICE_DATA(INTEL, DIAMOND_RAPIDS_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
+	{ PCI_DEVICE_DATA(INTEL, DIAMOND_RAPIDS_SMBUS,		FEATURES_ICH5)			 },
 	{ PCI_DEVICE_DATA(INTEL, ARROW_LAKE_H_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_H_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },
 	{ PCI_DEVICE_DATA(INTEL, PANTHER_LAKE_P_SMBUS,		FEATURES_ICH5 | FEATURE_TCO_CNL) },