soc/intel/alderlake: Fix wrong FIVR configs assignment

For PchFivrExtVnnRailSxEnabledStates, vnn_enable_bitmap config is used
by mistake, instead of the expected vnn_sx_enable_bitmap

Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Change-Id: Idf100be3ac4d6d97335c627e790c1870558d1210
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58430
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index 6e90cf1..9ed8acd 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -712,7 +712,7 @@
 			config->ext_fivr_settings.vnn_supported_voltage_bitmap;
 
 	s_cfg->PchFivrExtVnnRailSxEnabledStates =
-			config->ext_fivr_settings.vnn_enable_bitmap;
+			config->ext_fivr_settings.vnn_sx_enable_bitmap;
 
 	/* Convert the voltages to increments of 2.5mv */
 	s_cfg->PchFivrExtV1p05RailVoltage =