arm: dts: imx6dl-brppt2: fix gpio.h include

The "include" directory was included in the include path... Remove it.

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/arch/arm/dts/imx6dl-brppt2.dts b/arch/arm/dts/imx6dl-brppt2.dts
index 575bfac..05c843c 100644
--- a/arch/arm/dts/imx6dl-brppt2.dts
+++ b/arch/arm/dts/imx6dl-brppt2.dts
@@ -17,7 +17,7 @@
 #include "imx6dl.dtsi"
 #include "imx6qdl-u-boot.dtsi"
 #include <dt-bindings/pwm/pwm.h>
-#include <include/dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "PPT50";