ventunoq: can: change clock source

THis change + the increased USBD_GS_USB_POOL_SIZE reliable allow 5Mbit on multiple interfaces

Author: facchinm

variants/arduino_ventuno_q_stm32h5f5xx/arduino_ventuno_q_stm32h5f5xx.conf

@@ -22,6 +22,7 @@ CONFIG_USBD_GS_USB_LOG_LEVEL_ERR=y
 CONFIG_CAN=y
 CONFIG_USBD_GS_USB_MAX_CHANNELS=3
 CONFIG_CAN_FD_MODE=y
+CONFIG_USBD_GS_USB_POOL_SIZE=150
 
 CONFIG_FPU=y
 

variants/arduino_ventuno_q_stm32h5f5xx/arduino_ventuno_q_stm32h5f5xx.overlay

@@ -24,14 +24,20 @@
 };
 
 &fdcan1 {
+    clocks = <&rcc STM32_CLOCK(APB1_2, 9)>,
+             <&rcc STM32_SRC_PLL1_Q FDCAN_SEL(1)>;
 	status = "okay";
 };
 
 &fdcan2 {
+    clocks = <&rcc STM32_CLOCK(APB1_2, 9)>,
+             <&rcc STM32_SRC_PLL1_Q FDCAN_SEL(1)>;
 	status = "okay";
 };
 
 &fdcan3 {
+    clocks = <&rcc STM32_CLOCK(APB1_2, 9)>,
+             <&rcc STM32_SRC_PLL1_Q FDCAN_SEL(1)>;
 	status = "okay";
 };