dt-bindings: clock: stm32c0: add can-fd domain clock helper

On STM32C092 variants CAN-FD is supported, and the clock
source can be chosen in the CCIPR1 register.
This commit adds the helper to prepare that choice for the register.

Signed-off-by: Thomas Stranger <[email protected]>

Author: str4t0m

include/zephyr/dt-bindings/clock/stm32c0_clock.h

@@ -46,6 +46,7 @@
 /** @brief Device domain clocks selection helpers */
 /** CCIPR devices */
 #define USART1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 0, CCIPR_REG)
+#define FDCAN_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 8, CCIPR_REG)
 #define I2C1_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 12, CCIPR_REG)
 #define I2C2_I2S1_SEL(val)	STM32_DT_CLOCK_SELECT((val), 3, 14, CCIPR_REG)
 #define ADC_SEL(val)		STM32_DT_CLOCK_SELECT((val), 3, 30, CCIPR_REG)