ARM: dts: stm32: add timers support on stm32mp135f-dk

Configure timers support on stm32mp135f-dk.
The timers TIM3, TIM4, TIM8 & TIM14 which can be used on
expansion GPIO connector are disabled by default.

Signed-off-by: Olivier Moysan <[e-mail]>
Signed-off-by: Alexandre Torgue <[e-mail]>

arch/arm/boot/dts/stm32mp135f-dk.dts

···
 	status = "disabled";
 };
 
+&timers3 {
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "disabled";
+	pwm {
+		pinctrl-0 = <&pwm3_pins_a>;
+		pinctrl-1 = <&pwm3_sleep_pins_a>;
+		pinctrl-names = "default", "sleep";
+		status = "okay";
+	};
+	timer@2 {
+		status = "okay";
+	};
+};
+
+&timers4 {
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "disabled";
+	pwm {
+		pinctrl-0 = <&pwm4_pins_a>;
+		pinctrl-1 = <&pwm4_sleep_pins_a>;
+		pinctrl-names = "default", "sleep";
+		status = "okay";
+	};
+	timer@3 {
+		status = "okay";
+	};
+};
+
+&timers8 {
+	/delete-property/dmas;
+	/delete-property/dma-names;
+	status = "disabled";
+	pwm {
+		pinctrl-0 = <&pwm8_pins_a>;
+		pinctrl-1 = <&pwm8_sleep_pins_a>;
+		pinctrl-names = "default", "sleep";
+		status = "okay";
+	};
+	timer@7 {
+		status = "okay";
+	};
+};
+
+&timers14 {
+	status = "disabled";
+	pwm {
+		pinctrl-0 = <&pwm14_pins_a>;
+		pinctrl-1 = <&pwm14_sleep_pins_a>;
+		pinctrl-names = "default", "sleep";
+		status = "okay";
+	};
+	timer@13 {
+		status = "okay";
+	};
+};
+
 &uart4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart4_pins_a>;