arm: octeontx: Add headers for OcteonTX

Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/include/asm/arch-octeontx/gpio.h b/arch/arm/include/asm/arch-octeontx/gpio.h
new file mode 100644
index 0000000..3943ffd
--- /dev/null
+++ b/arch/arm/include/asm/arch-octeontx/gpio.h
@@ -0,0 +1,6 @@
+/* SPDX-License-Identifier:    GPL-2.0
+ *
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * https://spdx.org/licenses
+ */