soc/intel: Use config_of()

Change-Id: I0727a6b327410197cf32f598d1312737744386b3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34328
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: David Guckian

src/soc/intel/skylake/chip.c

@@ -93,7 +93,7 @@ struct chip_operations soc_intel_skylake_ops = {
 void soc_silicon_init_params(SILICON_INIT_UPD *params)
 {
 	struct device *dev = pcidev_path_on_root(PCH_DEVFN_LPC);
-	const struct soc_intel_skylake_config *config = dev->chip_info;
+	const struct soc_intel_skylake_config *config = config_of(dev);
 	int i;
 
 	memcpy(params->SerialIoDevMode, config->SerialIoDevMode,