allwinner: call PMIC setup code
As the ATF may need to do some power initialization on Allwinner
platform with AXP PMICs, call the PMIC setup code in BL31.
Stub of PMIC setup code is added, to prevent undefined reference.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
diff --git a/plat/allwinner/sun50i_h6/sunxi_power.c b/plat/allwinner/sun50i_h6/sunxi_power.c
new file mode 100644
index 0000000..50eaa6b
--- /dev/null
+++ b/plat/allwinner/sun50i_h6/sunxi_power.c
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018, Icenowy Zheng <icenowy@aosc.io>
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <debug.h>
+
+int sunxi_pmic_setup(void)
+{
+ /* STUB */
+ NOTICE("BL31: STUB PMIC setup code called\n");
+
+ return 0;
+}