dts/arm: STM32: Adding flash clock settings in dtsi for stm32wb series.

This patch adds flash clock settings in device tree for stm32wb
series so that the stm32 flash driver can get the clock settings
from this dtsi file.

Signed-off-by: Krishna Mohan Dani <[email protected]>

Author: ikmdani

dts/arm/st/wb/stm32wb.dtsi

@@ -47,6 +47,7 @@
 			label = "FLASH_CTRL";
 			reg = <0x58004000 0x400>;
 			interrupts = <4 0>;
+			clocks = <&rcc STM32_CLOCK_BUS_AHB3 0x02000000>;
 
 			#address-cells = <1>;
 			#size-cells = <1>;