stm32mp1: Add clock and reset support

The clock driver is under dual license, BSD and GPLv2.
The clock driver uses device tree, so a minimal support for this is added.
The required files for driver and DTS files are in include/dt-bindings/.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
diff --git a/include/drivers/st/stm32mp1_reset.h b/include/drivers/st/stm32mp1_reset.h
new file mode 100644
index 0000000..76ee09d
--- /dev/null
+++ b/include/drivers/st/stm32mp1_reset.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2018, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __STM32MP1_RESET_H__
+#define __STM32MP1_RESET_H__
+
+#include <stdint.h>
+
+void stm32mp1_reset_assert(uint32_t reset_id);
+void stm32mp1_reset_deassert(uint32_t reset_id);
+
+#endif /* __STM32MP1_RESET_H__ */