feat(stm32mp1): use clk_enable/disable functions

Use the clock framework functions in SYSCFG driver instead of dedicated
functions.

Change-Id: Ifb50a5207e8cecef1c80d86e2de4d70ab6bf8b8b
Signed-off-by: Yann Gautier <yann.gautier@st.com>
diff --git a/plat/st/stm32mp1/stm32mp1_syscfg.c b/plat/st/stm32mp1/stm32mp1_syscfg.c
index 20dd06e..ac4f255 100644
--- a/plat/st/stm32mp1/stm32mp1_syscfg.c
+++ b/plat/st/stm32mp1/stm32mp1_syscfg.c
@@ -5,6 +5,7 @@
  */
 
 #include <common/debug.h>
+#include <drivers/clk.h>
 #include <drivers/delay_timer.h>
 #include <drivers/st/bsec.h>
 #include <drivers/st/stpmic1.h>
@@ -138,7 +139,7 @@
 	 * Warning: need to ensure CSI enabled and ready in clock driver.
 	 * Enable non-secure clock, we assume non-secure is suspended.
 	 */
-	stm32mp1_clk_enable_non_secure(SYSCFG);
+	clk_enable(SYSCFG);
 
 	mmio_setbits_32(SYSCFG_BASE + SYSCFG_CMPENSETR,
 			SYSCFG_CMPENSETR_MPU_EN);
@@ -183,5 +184,5 @@
 
 	mmio_setbits_32(SYSCFG_BASE + SYSCFG_CMPENCLRR, SYSCFG_CMPENSETR_MPU_EN);
 
-	stm32mp1_clk_disable_non_secure(SYSCFG);
+	clk_disable(SYSCFG);
 }