src: Update bare access to BOOL CONFIG_ vals to CONFIG()

BOOL type Kconfig values should be used through the CONFIG() macro.
These instances were not, so update them.

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: Ie4706d82c12c487607bbf5ad8059922e0e586858
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43825
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/soc/intel/cannonlake/romstage/fsp_params.c b/src/soc/intel/cannonlake/romstage/fsp_params.c
index c1afd1e..37f4d50 100644
--- a/src/soc/intel/cannonlake/romstage/fsp_params.c
+++ b/src/soc/intel/cannonlake/romstage/fsp_params.c
@@ -74,7 +74,7 @@
 	m_cfg->VmxEnable = CONFIG(ENABLE_VMX);
 
 #if CONFIG(SOC_INTEL_CANNONLAKE_ALTERNATE_HEADERS)
-	m_cfg->SkipMpInit = !CONFIG_USE_INTEL_FSP_MP_INIT;
+	m_cfg->SkipMpInit = !CONFIG(USE_INTEL_FSP_MP_INIT);
 #endif
 
 	if (config->cpu_ratio_override) {