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/plat/st/stm32mp1/bl2_plat_setup.c b/plat/st/stm32mp1/bl2_plat_setup.c
index 6af65fd..4a41901 100644
--- a/plat/st/stm32mp1/bl2_plat_setup.c
+++ b/plat/st/stm32mp1/bl2_plat_setup.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -16,8 +16,8 @@
 #include <drivers/delay_timer.h>
 #include <drivers/generic_delay_timer.h>
 #include <drivers/st/stm32_console.h>
+#include <drivers/st/stm32mp_pmic.h>
 #include <drivers/st/stm32mp1_clk.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>