ARM: dts: bcm283x: Add Transposer block

The transposer block is allowing one to write the result of the VC4
composition back to memory instead of displaying it on a screen.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>

arch/arm/boot/dts/bcm283x.dtsi

@@ -66,6 +66,12 @@ timer@7e003000 {
 			clock-frequency = <1000000>;
 		};
 
+		txp@7e004000 {
+			compatible = "brcm,bcm2835-txp";
+			reg = <0x7e004000 0x20>;
+			interrupts = <1 11>;
+		};
+
 		dma: dma@7e007000 {
 			compatible = "brcm,bcm2835-dma";
 			reg = <0x7e007000 0xf00>;