ELOG, soc/intel: Avoid some preprocessor use

Change-Id: I5378573f37daa4f09db332023027deda677c7aeb
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36646
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/fsp_baytrail/smm.c

@@ -40,7 +40,8 @@ void smm_southbridge_clear_state(void)
 	uint32_t smi_en;
 
 	/* Log events from chipset before clearing */
-	southcluster_log_state();
+	if (CONFIG(ELOG))
+		southcluster_log_state();
 
 	printk(BIOS_DEBUG, "Initializing Southbridge SMI...");
 	printk(BIOS_SPEW, " pmbase = 0x%04x\n", get_pmbase());