arm: dts: k3-am654: remove duplicate mcu_udmap

With the Linux and U-Boot board dtb files unified, we now have a
duplicate mcu_udmap node. Remove it

Tested-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Bryan Brattlof <bb@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
diff --git a/arch/arm/dts/k3-am654-r5-base-board.dts b/arch/arm/dts/k3-am654-r5-base-board.dts
index c4fa84a..19806ec 100644
--- a/arch/arm/dts/k3-am654-r5-base-board.dts
+++ b/arch/arm/dts/k3-am654-r5-base-board.dts
@@ -52,19 +52,6 @@
 		#mbox-cells = <1>;
 		bootph-pre-ram;
 	};
-
-	mcu_navss: bus@28380000 {
-		dma-controller@285c0000 {
-			reg =	<0x0 0x285c0000 0x0 0x100>,
-				<0x0 0x284c0000 0x0 0x4000>,
-				<0x0 0x2a800000 0x0 0x40000>,
-				<0x0 0x284a0000 0x0 0x4000>,
-				<0x0 0x2aa00000 0x0 0x40000>,
-				<0x0 0x28400000 0x0 0x2000>;
-			reg-names = "gcfg", "rchan", "rchanrt", "tchan",
-					    "tchanrt", "rflow";
-		};
-	};
 };
 
 &cbass_wakeup {