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/drivers/st/ddr/stm32mp1_ddr.c b/drivers/st/ddr/stm32mp1_ddr.c
index aca0450..e109e87 100644
--- a/drivers/st/ddr/stm32mp1_ddr.c
+++ b/drivers/st/ddr/stm32mp1_ddr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2018-2019, STMicroelectronics - All Rights Reserved
  *
  * SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
  */
@@ -12,10 +12,10 @@
 #include <arch_helpers.h>
 #include <common/debug.h>
 #include <drivers/delay_timer.h>
+#include <drivers/st/stm32mp_pmic.h>
 #include <drivers/st/stm32mp1_clk.h>
 #include <drivers/st/stm32mp1_ddr.h>
 #include <drivers/st/stm32mp1_ddr_regs.h>
-#include <drivers/st/stm32mp1_pmic.h>
 #include <drivers/st/stm32mp1_pwr.h>
 #include <drivers/st/stm32mp1_ram.h>
 #include <drivers/st/stm32mp1_rcc.h>