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/baytrail/southcluster.c

@@ -177,7 +177,7 @@ static void sc_init(struct device *dev)
 	u32 *gen_pmcon1 = (u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1);
 	u32 *actl = (u32 *)(ILB_BASE_ADDRESS + ACTL);
 	const struct baytrail_irq_route *ir = &global_baytrail_irq_route;
-	struct soc_intel_baytrail_config *config = dev->chip_info;
+	struct soc_intel_baytrail_config *config = config_of(dev);
 
 	/* Set up the PIRQ PIC routing based on static config. */
 	for (i = 0; i < NUM_PIRQS; i++) {