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
diff --git a/src/soc/intel/baytrail/lpss.c b/src/soc/intel/baytrail/lpss.c
index a21a788..4ffdca9 100644
--- a/src/soc/intel/baytrail/lpss.c
+++ b/src/soc/intel/baytrail/lpss.c
@@ -148,7 +148,7 @@
 
 static void lpss_init(struct device *dev)
 {
-	struct soc_intel_baytrail_config *config = dev->chip_info;
+	struct soc_intel_baytrail_config *config = config_of(dev);
 	int iosf_reg, nvs_index;
 
 	dev_ctl_reg(dev, &iosf_reg, &nvs_index);