clk: stm32: Introduce clocks of STM32F769 board

STM32F769 clocks are derived from STM32746 clocks.
main differences are:
- new source clock for SAI1 and SAI2 (HSI or HSE)
- Add DFSDM & DSI clocks

Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

include/dt-bindings/clock/stm32fx-clock.h

@@ -54,7 +54,10 @@
 #define CLK_I2C3		28
 #define CLK_I2C4		29
 #define CLK_LPTIMER		30
-
-#define END_PRIMARY_CLK_F7	31
+#define CLK_PLL_SRC		31
+#define CLK_DFSDM1		32
+#define CLK_ADFSDM1		33
+#define CLK_F769_DSI		34
+#define END_PRIMARY_CLK_F7	35
 
 #endif