ARM: dts: stih407: Enable PWM nodes only board level

The PWM may not be used on some boards, so enable them only the board file.

Acked-by: Patrice Chotard <[e-mail]>
Acked-by: Peter Griffin <[e-mail]>
Signed-off-by: Maxime Coquelin <[e-mail]>

arch/arm/boot/dts/stih407-family.dtsi

···
 		/* COMMS PWM Module */
 		pwm0: pwm@9810000 {
 			compatible	= "st,sti-pwm";
-			status		= "okay";
 			#pwm-cells	= <2>;
 			reg		= <0x9810000 0x68>;
 			pinctrl-names	= "default";
···
 			clock-names	= "pwm";
 			clocks		= <&clk_sysin>;
 			st,pwm-num-chan = <1>;
+
+			status		= "disabled";
 		};
 
 		/* SBC PWM Module */
 		pwm1: pwm@9510000 {
 			compatible	= "st,sti-pwm";
-			status		= "okay";
 			#pwm-cells	= <2>;
 			reg		= <0x9510000 0x68>;
 			pinctrl-names	= "default";
···
 			clock-names	= "pwm";
 			clocks		= <&clk_sysin>;
 			st,pwm-num-chan = <4>;
+
+			status		= "disabled";
 		};
 	};
 };

arch/arm/boot/dts/stihxxx-b2120.dtsi

···
 			};
 		};
 
+		pwm0: pwm@9810000 {
+			status = "okay";
+		};
+
+		pwm1: pwm@9510000 {
+			status = "okay";
+		};
+
 		i2c@9842000 {
 			status = "okay";
 		};