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/clk/stm32mp_clkfunc.c b/drivers/st/clk/stm32mp_clkfunc.c
index 0db0dee..c83b8ad 100644
--- a/drivers/st/clk/stm32mp_clkfunc.c
+++ b/drivers/st/clk/stm32mp_clkfunc.c
@@ -11,6 +11,7 @@
 #include <platform_def.h>
 
 #include <common/fdt_wrappers.h>
+#include <drivers/clk.h>
 #include <drivers/st/stm32_gpio.h>
 #include <drivers/st/stm32mp_clkfunc.h>
 
@@ -325,5 +326,5 @@
 		return 0UL;
 	}
 
-	return stm32mp_clk_get_rate((unsigned long)clk_id);
+	return clk_get_rate((unsigned long)clk_id);
 }