stm32mp1: rename stpmu1 to stpmic1

This is the correct name of the IP.
Rename stm32mp1_pmic files to stm32mp_pmic.

Change-Id: I238a7d1f9a1d099daf7788dc9ebbd3146ba2f15f
Signed-off-by: Yann Gautier <yann.gautier@st.com>
diff --git a/include/drivers/st/stm32mp_pmic.h b/include/drivers/st/stm32mp_pmic.h
new file mode 100644
index 0000000..700039b
--- /dev/null
+++ b/include/drivers/st/stm32mp_pmic.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2017-2019, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32MP_PMIC_H
+#define STM32MP_PMIC_H
+
+#include <stdbool.h>
+
+#include <platform_def.h>
+
+bool dt_check_pmic(void);
+int dt_pmic_enable_boot_on_regulators(void);
+void initialize_pmic_i2c(void);
+void initialize_pmic(void);
+int pmic_ddr_power_init(enum ddr_type ddr_type);
+
+#endif /* STM32MP_PMIC_H */