cpu/intel/206ax: Fix generating C state entries

The struct device passed to this function is the cpu cluster and not
individual lapic. This fixes a regression introduced by
cdb26fd (cpu/intel/model_206ax: Remove fake lapic device)

Change-Id: I586e13a723303b8d639d526a175bd6828465a607
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70665
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/cpu/intel/model_206ax/acpi.c b/src/cpu/intel/model_206ax/acpi.c
index d2d6467..a305c01 100644
--- a/src/cpu/intel/model_206ax/acpi.c
+++ b/src/cpu/intel/model_206ax/acpi.c
@@ -97,7 +97,7 @@
 
 static void generate_C_state_entries(const struct device *dev)
 {
-	struct cpu_intel_model_206ax_config *conf = dev->bus->dev->chip_info;
+	struct cpu_intel_model_206ax_config *conf = dev->chip_info;
 
 	const int acpi_cstates[3] = { conf->acpi_c1, conf->acpi_c2, conf->acpi_c3 };