include: Use CONFIG_XPL_BUILD instead of CONFIG_SPL_BUILD

Use the new symbol to refer to any 'SPL' build, including TPL and VPL

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/bootcount.h b/include/bootcount.h
index bc06e17..847c0f0 100644
--- a/include/bootcount.h
+++ b/include/bootcount.h
@@ -120,13 +120,13 @@
 		return;
 	}
 
-#ifndef CONFIG_SPL_BUILD
+#ifndef CONFIG_XPL_BUILD
 	/* Only increment bootcount when no bootcount support in SPL */
 #if !defined(CONFIG_SPL_BOOTCOUNT_LIMIT) && !defined(CONFIG_TPL_BOOTCOUNT_LIMIT)
 	bootcount_store(++bootcount);
 #endif
 	env_set_ulong("bootcount", bootcount);
-#endif /* !CONFIG_SPL_BUILD */
+#endif /* !CONFIG_XPL_BUILD */
 }
 
 #else