ARM: dts: stm32: Minor whitespace cleanup

The DTS code coding style expects exactly one space around '=' or '{'
characters.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250819131707.86657-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

arch/arm/boot/dts/st/stm32mp151c-plyaqm.dts

@@ -255,7 +255,7 @@
 	/delete-property/ st,syscfg-holdboot;
 	resets = <&scmi_reset RST_SCMI_MCU>,
 		 <&scmi_reset RST_SCMI_MCU_HOLD_BOOT>;
-	reset-names =  "mcu_rst", "hold_boot";
+	reset-names = "mcu_rst", "hold_boot";
 };
 
 &mdma1 {

arch/arm/boot/dts/st/stm32mp157c-ultra-fly-sbc.dts

@@ -92,7 +92,7 @@
 	leds: leds {
 		compatible = "gpio-leds";
 
-		led0{
+		led0 {
 			label = "buzzer";
 			gpios = <&gpiof 2 GPIO_ACTIVE_HIGH>;
 			default-state = "off";

arch/arm/boot/dts/st/stm32mp15xc-lxa-tac.dtsi

@@ -262,7 +262,7 @@ baseboard_eeprom: &sip_eeprom {
 	status = "okay";
 
 	usbhub: usbhub@2c {
-		compatible ="microchip,usb2514b";
+		compatible = "microchip,usb2514b";
 		reg = <0x2c>;
 		vdd-supply = <&v3v3>;
 		reset-gpios = <&gpiob 6 GPIO_ACTIVE_LOW>;