dt-bindings: stm32mp2_clock: add wwdg1 clock

Add clock binding for WWDG1 peripheral in STM32MP2 series.

Signed-off-by: Luc BEAUFILS <luc.beaufils@savoirfairelinux.com>

Author: lucbeaufils

include/zephyr/dt-bindings/clock/stm32mp2_clock.h

@@ -50,7 +50,10 @@
 #define STM32_CLOCK_PERIPH_UART8	0x798
 #define STM32_CLOCK_PERIPH_UART9	0x79C
 
+/* Watchdog Peripheral */
+#define STM32_CLOCK_PERIPH_WWDG1	0x89C
+
 #define STM32_CLOCK_PERIPH_MIN	STM32_CLOCK_PERIPH_GPIOA
-#define STM32_CLOCK_PERIPH_MAX	STM32_CLOCK_PERIPH_UART9
+#define STM32_CLOCK_PERIPH_MAX	STM32_CLOCK_PERIPH_WWDG1
 
 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32MP2_CLOCK_H_ */