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/plat/st/stm32mp1/stm32mp1_scmi.c b/plat/st/stm32mp1/stm32mp1_scmi.c
index 6d60bd4..98585dc 100644
--- a/plat/st/stm32mp1/stm32mp1_scmi.c
+++ b/plat/st/stm32mp1/stm32mp1_scmi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2019-2021, STMicroelectronics - All Rights Reserved
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -8,6 +8,7 @@
 
 #include <platform_def.h>
 
+#include <drivers/clk.h>
 #include <drivers/scmi-msg.h>
 #include <drivers/scmi.h>
 #include <drivers/st/stm32mp1_clk.h>
@@ -274,7 +275,7 @@
 	if (array == NULL) {
 		*nb_elts = 1U;
 	} else if (*nb_elts == 1U) {
-		*array = stm32mp_clk_get_rate(clock->clock_id);
+		*array = clk_get_rate(clock->clock_id);
 	} else {
 		return SCMI_GENERIC_ERROR;
 	}
@@ -292,7 +293,7 @@
 		return 0U;
 	}
 
-	return stm32mp_clk_get_rate(clock->clock_id);
+	return clk_get_rate(clock->clock_id);
 }
 
 int32_t plat_scmi_clock_get_state(unsigned int agent_id, unsigned int scmi_id)
@@ -323,13 +324,13 @@
 	if (enable_not_disable) {
 		if (!clock->enabled) {
 			VERBOSE("SCMI clock %u enable\n", scmi_id);
-			stm32mp_clk_enable(clock->clock_id);
+			clk_enable(clock->clock_id);
 			clock->enabled = true;
 		}
 	} else {
 		if (clock->enabled) {
 			VERBOSE("SCMI clock %u disable\n", scmi_id);
-			stm32mp_clk_disable(clock->clock_id);
+			clk_disable(clock->clock_id);
 			clock->enabled = false;
 		}
 	}
@@ -461,7 +462,7 @@
 			/* Sync SCMI clocks with their targeted initial state */
 			if (clk->enabled &&
 			    stm32mp_nsec_can_access_clock(clk->clock_id)) {
-				stm32mp_clk_enable(clk->clock_id);
+				clk_enable(clk->clock_id);
 			}
 		}