Replace ENV_RAMSTAGE with ENV_PAYLOAD_LOADER

This patch relying on new rule, ENV_PAYLOAD_LOADER which is set
to ENV_RAMSTAGE.

This approach will help to add future optimization (rampayload) in
coreboot flow if required.

Change-Id: Ib54ece7b9e5f281f8a092dc6f38c07406edfa5fa
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32725
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: ron minnich <rminnich@gmail.com>

src/drivers/elog/elog.c

@@ -859,7 +859,7 @@ int elog_init(void)
 	       " shrink size %d\n", region_device_sz(&es->nv_dev),
 		es->full_threshold, es->shrink_size);
 
-	if (ENV_RAMSTAGE)
+	if (ENV_PAYLOAD_LOADER)
 		elog_add_boot_count();
 	return 0;
 }