platform/x86: intel_cht_int33fe: Use the new i2c_acpi_client_count() helper

Use the new i2c_acpi_client_count() helper, this
results in a nice cleanup.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210803160044.158802-5-hdegoede@redhat.com

drivers/platform/x86/intel/int33fe/intel_cht_int33fe_common.c

@@ -16,33 +16,6 @@
 
 #define EXPECTED_PTYPE		4
 
-static int cht_int33fe_i2c_res_filter(struct acpi_resource *ares, void *data)
-{
-	struct acpi_resource_i2c_serialbus *sb;
-	int *count = data;
-
-	if (i2c_acpi_get_i2c_resource(ares, &sb))
-		(*count)++;
-
-	return 1;
-}
-
-static int cht_int33fe_count_i2c_clients(struct device *dev)
-{
-	struct acpi_device *adev = ACPI_COMPANION(dev);
-	LIST_HEAD(resource_list);
-	int count = 0;
-	int ret;
-
-	ret = acpi_dev_get_resources(adev, &resource_list,
-				     cht_int33fe_i2c_res_filter, &count);
-	acpi_dev_free_resource_list(&resource_list);
-	if (ret < 0)
-		return ret;
-
-	return count;
-}
-
 static int cht_int33fe_check_hw_type(struct device *dev)
 {
 	unsigned long long ptyp;
@@ -69,7 +42,7 @@ static int cht_int33fe_check_hw_type(struct device *dev)
 		return -ENODEV;
 	}
 
-	ret = cht_int33fe_count_i2c_clients(dev);
+	ret = i2c_acpi_client_count(ACPI_COMPANION(dev));
 	if (ret < 0)
 		return ret;