elog: make elog's SMM handler code follow everything else

Instead of ELOG_GSMI_APM_CNT use APM_CNT_ELOG_GSMI and define it in
cpu/x86/smm.h

Change-Id: I3a3e2f823c91b475d1e15b8c20e9cf5f3fd9de83
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/30022
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/southbridge/intel/lynxpoint/smihandler.c b/src/southbridge/intel/lynxpoint/smihandler.c
index a3965d0..72298f3 100644
--- a/src/southbridge/intel/lynxpoint/smihandler.c
+++ b/src/southbridge/intel/lynxpoint/smihandler.c
@@ -253,7 +253,7 @@
 	u32 *ret, *param;
 	u8 sub_command;
 	em64t101_smm_state_save_area_t *io_smi =
-		smi_apmc_find_state_save(ELOG_GSMI_APM_CNT);
+		smi_apmc_find_state_save(APM_CNT_ELOG_GSMI);
 
 	if (!io_smi)
 		return;
@@ -333,7 +333,7 @@
 		usb_xhci_route_all();
 		break;
 #if IS_ENABLED(CONFIG_ELOG_GSMI)
-	case ELOG_GSMI_APM_CNT:
+	case APM_CNT_ELOG_GSMI:
 		southbridge_smi_gsmi();
 		break;
 #endif