feat(st-clock): add clock driver for STM32MP13

Add new clock driver for STM32MP13. Split the include file to manage
either STM32MP13 or STM32MP15.

Change-Id: Ia568cd12b1d5538809204f0fd2224d51e5d1e985
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
diff --git a/plat/st/stm32mp1/platform.mk b/plat/st/stm32mp1/platform.mk
index 735a58f..cd5e7af 100644
--- a/plat/st/stm32mp1/platform.mk
+++ b/plat/st/stm32mp1/platform.mk
@@ -258,7 +258,6 @@
 				drivers/delay_timer/generic_delay_timer.c		\
 				drivers/st/bsec/bsec2.c					\
 				drivers/st/clk/stm32mp_clkfunc.c			\
-				drivers/st/clk/stm32mp1_clk.c				\
 				drivers/st/ddr/stm32mp_ddr.c				\
 				drivers/st/ddr/stm32mp1_ddr_helpers.c			\
 				drivers/st/gpio/stm32_gpio.c				\
@@ -274,6 +273,13 @@
 				plat/st/stm32mp1/stm32mp1_helper.S			\
 				plat/st/stm32mp1/stm32mp1_syscfg.c
 
+ifeq ($(STM32MP13),1)
+PLAT_BL_COMMON_SOURCES	+=	drivers/st/clk/clk-stm32-core.c				\
+				drivers/st/clk/clk-stm32mp13.c
+else
+PLAT_BL_COMMON_SOURCES	+=	drivers/st/clk/stm32mp1_clk.c
+endif
+
 ifneq (${STM32MP_USE_STM32IMAGE},1)
 BL2_SOURCES		+=	${FCONF_SOURCES} ${FCONF_DYN_SOURCES}