feat(st): use newly introduced clock framework

Replace calls to stm32mp_clk_enable() / stm32mp_clk_disable() /
stm32mp_clk_get_rate() with clk_enable() / clk_disable() /
clk_get_rate().

Change-Id: I15d2ce57b9499211fa522a1b53eeee9cf584c111
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
diff --git a/drivers/st/ddr/stm32mp1_ddr.c b/drivers/st/ddr/stm32mp1_ddr.c
index 7d89d02..3db47c4 100644
--- a/drivers/st/ddr/stm32mp1_ddr.c
+++ b/drivers/st/ddr/stm32mp1_ddr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018-2019, STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2018-2021, STMicroelectronics - All Rights Reserved
  *
  * SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
  */
@@ -12,6 +12,7 @@
 #include <arch.h>
 #include <arch_helpers.h>
 #include <common/debug.h>
+#include <drivers/clk.h>
 #include <drivers/delay_timer.h>
 #include <drivers/st/stm32mp_pmic.h>
 #include <drivers/st/stm32mp1_ddr.h>
@@ -627,7 +628,7 @@
 	 */
 
 	/* Change Bypass Mode Frequency Range */
-	if (stm32mp_clk_get_rate(DDRPHYC) < 100000000U) {
+	if (clk_get_rate(DDRPHYC) < 100000000U) {
 		mmio_clrbits_32((uintptr_t)&priv->phy->dllgcr,
 				DDRPHYC_DLLGCR_BPS200);
 	} else {