dts/arm/st: wb: Add quadspi node

Add quadspi support to stm32wb series.
Tested on nucleo_wb55rg + nor flash.

Signed-off-by: Erwan Gouriou <[email protected]>

Author: erwango

dts/arm/st/wb/stm32wb.dtsi

@@ -352,6 +352,18 @@
 			status = "disabled";
 			label = "USB";
 		};
+
+		quadspi: quadspi@a0001000 {
+			compatible = "st,stm32-qspi";
+			#address-cells = <0x1>;
+			#size-cells = <0x0>;
+			reg = <0xa0001000 0x400>;
+			interrupts = <0x32 0x0>;
+			clocks = <&rcc STM32_CLOCK_BUS_AHB3 0x100>;
+			status = "disabled";
+			label = "QUADSPI";
+		};
+
 	};
 
 	usb_fs_phy: usbphy {