ARM: dts: Fix node status to "okay" on TI boards

As per Device Tree Specification [1], the status parameter of nodes can
be "okay", "disabled", etc. "ok" is not a valid parameter.

U-boot Driver Model does not recognize status="ok" either and treats
the node as disabled.

[1] https://github.com/devicetree-org/devicetree-specification/releases/tag/v0.3

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Nishanth Menon <nm@ti.com>
diff --git a/arch/arm/dts/dra7-evm.dts b/arch/arm/dts/dra7-evm.dts
index 43de963..8e9a1a8 100644
--- a/arch/arm/dts/dra7-evm.dts
+++ b/arch/arm/dts/dra7-evm.dts
@@ -501,7 +501,7 @@
 };
 
 &dcan1 {
-	status = "ok";
+	status = "okay";
 	pinctrl-names = "default", "sleep", "active";
 	pinctrl-0 = <&dcan1_pins_sleep>;
 	pinctrl-1 = <&dcan1_pins_sleep>;