ARM: dts: imx6*-hummingboard2: remove redundant PWM disables

The PWM nodes are already disabled in the imx6qdl.dtsi, so there
is no need to disable them again in the board DTS.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-hummingboard2.dtsi

@@ -478,14 +478,6 @@ &pwm1 {
 	status = "okay";
 };
 
-&pwm3 {
-	status = "disabled";
-};
-
-&pwm4 {
-	status = "disabled";
-};
-
 &ssi1 {
 	status = "okay";
 };